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US005694176A
United States Patent [19]
[11] Patent Number:
Bruette et a].
[45] Date of Patent:
[54]
METHOD AND APPARATUS FOR
GENERATING TELEVISION PROGRAM
GUIDES WITH CATEGORY SELECTION
OVERLAY
5,694,176
Dec. 2, 1997
5,253,066 1011993 Vogel
348/906 x
5,343,121
8/1994 Young et al.
5,526,034
6/1996 Hoartyet al. ............................. .. 348/7
348/563
CYI‘HER PUBLICATIONS
Inventors: Je?' Bruette, Germantown; Matthew
Mohebbi. North Potomac; Ellen Martz,
Gaithersburg. all of Md.
Assignee: Hughes Electronics, Los Angeles,
Calif.
VideoGuide User’s Manual. VideoGuide. Inc., pp. 9-20.
1995.
James Sorce. Designing a Broadband Residential Entertain
ment Service: A Case Study. GTE Laboratories Inc. —13th
International Symposium Human Factors In Telecommuni
cations, Torino Italy (Sep. 10-14. 1990).
Primary Examiner-John K. Peng
[21] APPI- N0-= 610,096
Feb 29, 1996
[22] Filed:
6
new 5144s
[5 1]
348/563; 348/569; 348/906
[52] us. (:1.
Assistant Examiner—Nathan J. Flynn
Attorney Agent, or Firm-John T. Whelan; Wanda
I53]
Field of Search ............................. .. 348/6. 7, 12, 13.
An apparatus for generating an on-screen television program
348/906. 563, 8. 10. 460. 461, 467, 468.
473. 476. 477, 478. 479. 552. 553. 564.
567. 570. 406; 45514.1. 4.2. 6.1. 6.2. 6.3;
guide. The apparatus generates a main menu of a program
guide, which includes program source information and
program event information for a plurality of program
H04N 5/445. 5/50
Damn-MW
[57]
ABSTRACT
sources. and further generates navigation menus for allow
ing a viewer to modify the program guide. The navigation
[56]
Refemlwes Cited
menus are generated so as to over-write only a portion of the
U s. PATENT DOCUMENTS
4,751,578
main man“ "f the Pmg'am guide"
6/1988 Reiter et al. ...................... .. 348/906 X
18 Claims, 4 Drawing $118618
PROGRAM GUIDE
FRI, NOV l0 ~ I I: l 9AM
COMPLETE ' AIL (HANNEIS
CATEGORIES
ALI.
TODAY
WSTN
2T3
HYST
‘
' \/ MOVIES
SERIES
SPORTS
NEWS
SPECIALS
SHOPPING
274
MT"
27S
TRUE CRAZY TIMES
A FEVER IN THE BLOOD
ENC+ < LADY ON A
TWO ON A BEACH
276
278
TRAIN
M
\
/
\
/
>
PSTV<
SINS OF THE NIGHT
402
DTY TI'IE BROWNING VERSION
THE BROWNING
I02
VERSION
>
44
J
US. Patent
a
Dec. 2, 1997
Sheet 1 of 4
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US. Patent
Dec. 2, 1997
5,694,176
Sheet 2 of 4
PROGRAM GUIDE
MON, FEB s . 211m
conrms- rm
,
( mmnmu )[ cmeomr )
room
2:00PM
( usr )( GUIDE )( cuss )
2:30PM
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FIG. 2
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US. Patent
Dec. 2, 1997
Sheet 3 of 4
5,694,176
44
PROGRAM GUIDE
FRI, NOV I0 ' II:I9AM
comm - ALL cummns
MI" "E
CATEGORIES
TODAY
(M55
ALL
WSTN
I ‘M
' ~/ MOVIES
SERIES
SPORTS
NEWS
sPECIALs
s HOP
PING
273
MYST
214
MT"
m
TRUE cmYTMEs
A raven IN THE moon
>
TWO ONA BEACH
>
276
ENC+ < LADYONA
218
mm
PSTV < SINS OF THE NIGHT
402
DTV THE BROWNING VERSION
TNE BROWNING
I02
VERSION
>
FIG. 3(a)
PROGRAM GUIDE
FRI, NOV I0 - II:3IAM
COMPLETE - ALL CHANNELS
I
44
MAIN MENU
‘
GUM;
+4.0 HRS
cunnsm
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m
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CAP?AL GANG
INSIDE POLITICS
102
CRT
203
SATURDAY
WEEKEND
PRIME TIME JUSTICE
< CNN NEWS
DTV< SPECIAL
DIRECIV EVEN...
205
I
)
>
DIRECIV SPECIAL EVENTS
CALENDAR
FIG. 3(b)
>
/
US. Patent
Dec. 2, 1997
Sheet 4 of 4
PROGRAM GUIDE
COMPLETE NORMAL
5,694,176
WED, NOV 23 - l2:33PM
( mmnnm ]( CATEGORIES )( TYP£S ][ usrs )
TODAY
DTY DIRECTY
20D
CNN CAPITOL GANG
SPORTS
202
CRT YERDICTS &
J INSTANTJUSTICE
203 IUSTICE
TNT SINBAD AND THE EYE OF THE TIGER
CLASSES
J COMPLETE
SIIBSCRPTN
MA
(
MULTIPLEX
@@
2T2
5
TBS BULLITT
233
CSPN C-SPAN
C-SPAN
)
C-SPAN
242
AGE 55 DAYS AT PHONE
256
FIG. 3(0)
PROGRAM GUIDE
COMPLETE NORMAL
WED, NOV 23 - I2:33PM
( mmmsuu )[ CATEGORIES )(_1vr_|’_"'—"\CHMMELLISTS'UIDES ll CLASSES )
TODAY
ALL CHANNELS
DTY
( J NORMAL
200
CNN CAPITOL GANG
SPORTS
202
CRT Fons &
203 wsnce
TNT < SINBAD AND THE EYE OF THE TIGET
2T2
TBS BIILLITT
233
< DIRECTY
‘30PM .44
)J
CLII)
(‘m-r")
“WED
CSPN C-SPAN
242
ARE 55 DAYS AT PEKING
C-SPAN
256
FIG. 3(d)
>
C-SPAN
5,694,176
1
2
METHOD AND APPARATUS FOR
GENERATING TELEVISION PROGRAM
GUIDES WITH CATEGORY SELECTION
OVERLAY
The present invention relates generally to an apparatus for
generating an on-screen television program guide. The appa
ratus comprises means for generating a main menu of a
program guide, which includes program source information
and program event information for a plurality of program
sources, and means for generating navigation menus for
allowing a viewer to modify the program guide. The navi
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a subscription
television system, and more particularly, to a method and
apparatus for generating a user interface for television
gation menus are generated so as to overwrite only a portion
10
apparatus comprises means for receiving a signal compris
ing program source information and program event infor
mation for a plurality of program sources. The program
event information comprises a plurality of classification
tags, wherein each of the program events has at least one
program guides.
2. Description of the Prior Art
As the subscription television industry has grown, pro
viders of subscription television continually otfer more and
more channels to the individual subscriber. Typical systems
o?’er more than 100 different channels. Such systems also
typically provide a myriad of menus which allow the viewer
to customize the program guide in accordance with the
corresponding classi?cation tag. The apparatus further com
prises memory means for storing the program source infor
mation and the program event information; user input means
comprising prede?ned buttons, each of which corresponds
20
viewer‘s personal preference. For example, viewers may be
allowed to customize the guide to display only movies, and
then be allowed to further program customize the guide to
response to depression of one of the prede?ned buttons on
25
the user input means. The resulting category speci?c
on-screen television program guide comprises only program
events having a classi?cation tag corresponding to the
classi?cation tag associated with the selected prede?ned
In known systems. for example, the system described in
US. Pat. No. 5,353,121 (the ‘121 patent), which is herein
incorporated by reference. the various menus provided for
button.
As described in detail below, the method and apparatus of
customizing the program guide appear as individual or
separate menus. In other words, as the viewer toggles
between the menus, as each menu is displayed, the display
screen is completely rewritten.
FIGS. 2 and 14 of the '121 patent illustrate typical prior
art systems. FIG. 2 illustrates the main menu for displaying
television programming information. In order to customize
the program guide, the viewer selects “channel customiza
to one of the plurality of classi?cation tags; and a system
controller coupled to the memory means and the user input
means. The system controller functions to generate a cat
egory speci?c on-screen television program guide in
display only certain types of movies (e.g., westerns,
comedies, etc.). Additional menus are also provided to allow
the viewer to select to display such things as favorite channel
lists and pay-per-view events.
of the main menu of the program guide.
In a second embodiment of the present invention, the
35
tion" which causes the system to display the menu illustrated
in FIG. 14. In order to display the menu of FIG. 14, which
allows the viewer to select a speci?c type of movie, the
display screen is completely rewritten. FIGS. 15-17 illus
trate similar “customization menus” which occupy the entire
the present invention provide important advantages ovm' the
prior art. Most importantly, the present invention minimizes
the possibility of the viewer becoming lost within the guide
because during customization of the program guide, a sub
stantial portion of the guide remains visible at all times.
Furthermore, the present invention allows the viewer to
easily and readily traverse or modify the program guide.
The invention itself, together with further objects and
attendant advantages, will best be understood by reference
to the following detailed description, taken in conjunction
with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
screen.
As a result of rewriting the entire screen when displaying
a “customization menu,” a substantial problem arises for the
45
of the terminal device of the present invention.
FIG. 2 illustrates an exemplary program guide produced
in accordance with the present invention.
viewer in that the viewer easily becomes “l0st" within the
program guide. More speci?cally, due to the myriad of
possible menus the viewer may access, it is often an 50
extremely di?icult task for the viewer to toggle between
various menus or to return to a particular menu, such as the
main menu. This is due to the fact that once the screen is
SUIVIMARY OF THE INVENTION
The present invention provides a program guide which
satis?es the aforementioned needs. Speci?cally, the present
invention provides a program guide which provides navi
FIGS. 3(a)-3(d) illustrate exemplary navigation menus
produced in accordance with the present invention.
DETAILED DESCRIPTION OF THE DRAWINGS
rewritten, the viewer loses all reference to the other menus
and features of the program guide.
Accordingly, there exists a need for a program guide
which allows the viewer to easily and readily traverse the
multitude of menus without losing reference such that the
viewer does not become lost within the program guide.
FIG. 1 is a functional block diagram of one embodiment
55
FIG. 1 is a functional block diagram of one embodiment
of the terminal device 10 of the present invention. As shown
in FIG. 1, the terminal device 10 includes receiving means
11 comprising tuner 12, demodulator 13 and FEC decoder
14. The receiving means 11 is controlled by microprocessor
15, and operates to receive a signal which includes program
guide information, and video and audio information for all
channels available on the given system.
In the embodiment of FIG. 1, an antenna 8 and low noise
?lter 9 function to receive the signal from a satellite source
and to couple the signal to the receiving means 11 of the
gation menus such that the viewer is provided with a visual 65 terminal device 10. However, it is noted that the present
reference to the previously selected features or menus of the
invention is not limited to system providers which utilize
program guide.
satellite transmissions to broadcast signals. The novel sys
5,694,176
3
4
tem of the present invention could be readily used with
generator 24, and an audio decoder 25. The MPEG chip 22
functions to decompress the audio and video data output by
the channel demultiplexer 16, which is transmitted by the
provider in a compressed format. The NTSC encoder 26 and
audio subsystem 27 format the decompressed audio and
video data, respectively, for display on, for example, a
system providers who supply signals via, for example, cable
or telephone lines.
Upon receipt of the signal, tuner 12 functions to down
convert the received signal to an intermediate frequency
(“IF”). The IF signal is then converted to a digital equivalent
by the demodulator 13 and coupled to decoder 14, which
provides forward error correction on the received signal.
Apparatus 10 also comprises a transport chip 11. The
television receiver. The output drivers 28 function to trans
mit the audio and video information of a selected channel to
the display screen of the television receiver.
transport chip 11 preferably comprises a channel demulti 10 In the event the subscriber selects to display the program
guide, which can be accomplished by selecting the pre
plexer 16. a decryption unit 17 and an access card interface
de?ned channel associated with the program guide, via front
18. The output of the decoder 14 is coupled to the channel
panel
30 or a remote conn'ol (not shown), the microproces
demultiplexer 16, which functions to separate the audio and
sor 15 retrieves the program guide from system RAM 20,
video information of each channel, and also separates the
program guide information. Under control of the micropro
cessor 15, the channel demultiplexer 16 provides at its
15
output port, the audio and video information of a selected
channel or the program guide information.
Transport chip 11 further comprises an access card reader
19 which is coupled to the decryption unit 17 and the access
card interface 18. The access card reader 19 operates in
conjunction with the decryption unit 17 and the access card
interface 18 to provide a means of preventing. for example,
next available frame.
FIG. 2 illustrates an exemplary program guide produced
in accordance with the present invention. As shown in FIG.
unauthorized pay-per-view movies from being ordered by
2, each screen of the program guide comprises approxi
children.
Apparatus 10 further comprises a modem 31 which allows
the microprocessor 15 to be coupled to, for example, the
public telephone network. The apparatus also includes
microprocessor peripherals 33, such as serial and/or parallel
data ports, and a power supply 35 for supplying power.
In the satellite system illustrated in FIG. 1, multiple
transponders located in a satellite (not shown) are utilized to
transmit channel information (e.g., audio, video) to the
terminal device 10. Each transponder transmits information
regarding multiple channels (i.e., multiple program sources,
such as ABC, CBS, etc.). However, each transponder also
transmits the program guide for every channel provided by
the system provider on one of the frequencies available
mately seven program sources and the corresponding pro
grams. The program source and the programs being shown
thereon are displayed on a single line comprising multiple
cells of varying length. The ?rst cell in each line indicates
30
35
guide. The navigation menus appear as drop-down menus.
More speci?cally, referring to FIGS. 2 and 3(a), when
customizing the program guide, the viewer ?rst maneuvers
a cursor to highlight the CATEGORIES button found on the
main menu of the program guide. The viewer then depresses
a designated control key, for example, a SELECT key, which
commands the microprocessor 15 to generate and display a
cessor 15, the program guide is stored in random access
45
the CATEGORIES list such that it appears as a navigation
main menu. Upon selection of a speci?c category, the
microprocessor 15 proceeds to generate additional naviga
The microprocessor 15 operates to periodically update the
tion menus 44 which allow the viewer to further customize
program guide stored in the system RAM 20. In the present
embodiment, the program guide is updated one of two ways.
the program guide, as shown for example in FIGS. 3(b)—3
(d)
While various methods of generating the navigation
menus 44 are possible, one such method entails command
55
program guide has been modi?ed 1f the program guide has
been modi?ed, the microprocessor 15 stores the updated
guide in the system RAM 20. Second, as an independent
process, the microprocessor 15 monitors an expiration date!
ing the microprocessor 15 to rewrite a portion of the data
representing the main program guide, prior to converting the
program guide into displayable font data. The rewritten
portion of the program guide corresponds to the navigation
menu 44 to be displayed. The resulting modi?ed program
guide (i.e., the rewritten portion and the unmodi?ed portion)
is converted into displayable font data by microprocessor
time transmitted along with the program guide. Upon reach
ing the expiration date/time, the microprocessor 15 updates
the program guide stored in system RAM 20 with the
1S.andthenforwardedtotheMPEGchip22soastobe
displayed at the start of the next available frame.
program guide currently being transmitted.
chip 2 comprises a video decoder and on screen display
list of possible categories. The microprocessor 15 generates
menu 44 suspended from the CATEGORIES button on the
bu?’er the digital data associated with the audio and video
data of a given channel.
Returning to FIG. 1. the terminal device of the present
invention further comprises a MPEG chip 22. for example,
Part No. 64002. manufactured by LSI Logic. The MPEG
is repeated for the new program data to be displayed.
In accordance with the present invention, the apparatus 10
generates navigation menus for “customizing” the program
As such, regardless of which transponder the tuner 12 is
tuned to, the program guide is available at the output of the
channel demultiplexer 16. Under control of the micropro
First, the microprocessor 15 periodically analyzes the pro
gram guide transmitted by the provider to determine if the
program guide has been updated This can be accomplished,
for example, by utilizing a ?ag bit which indicates that the
the program source and the channel number assigned to the
source. In order to view additional program information, the
viewer simply presses a designated key, for example, a page
down key (i.e., scroll down key) and the foregoing process
within the given transponder.
memory (“RAM") 20, which is coupled to the channel
demnltiplexer 16. The system RAM 20 also functions to
and then accesses a font table stored in memory. The
microprocessor 15 then converts the program guide stored in
memory 20 into a displayable font data. The displayable font
data is then coupled to the MPEG chip 22. As described
above, the MPEG chip 22 in combination with NTSC
encoder 26 and the output drivers 28, functions tow rite the
program guide to the television receiver at the start of the
Various methods also exist for initially selecting the
65
CATEGORIES button. For example, one method entails
maneuvering a cursor on the program guide so as to high
light the button. Once highlighted, the viewer depresses a
5 ,694, 176
5
6
SELECT key provided on an IR remote 40. (The IR remote
40 includes a switch array which provides means for viewers
to issue instructions to the microprocessor 15. The IR remote
40 communicates with the microprocessor 15 via IRreceiver
the guide remains visible at all times. Furthennore, the
present invention allows the viewer to easily and readily
traverse or modify the program guide.
42.)
changes and modi?cations can be made to the preferred
Of course, it should be understood that a wide range of
embodiment described above. For example, the navigation
As stated above. depression of the SELECT key com
mands the microprocessor 15 to rewrite a portion of the data
menus of the present invention are utilized with various
other menus contained within the program guide. It is
representing the program guide with data representing the
thm'efore intended that the foregoing detailed description be
navigation menu 44 so as to generate a modi?ed program
guide, and to convert the modi?ed program guide to dis
playable font data. The modi?ed program guide is then
10
invention.
What is claimed is:
Alternatively, the IR remote 40 could be provided with a
designated key which corresponds to the CATEGORIES
button. Accordingly, upon depression of the designated key,
1. A method of generating an on-screen television pro
gram guide, said method comprising the steps of:
the microprocessor 15 would proceed as detailed above to
generate the navigation menu 44 illustrated in FIG. 3(a).
Similar to the foregoing embodiment, upon selection of a
generating a main menu of a program guide, said main
menu comprising program source information and pro
gram event information for a plurality of program
category, the microprocessor 15 will automatically generate
20
CLASSES) can also be provided with a corresponding
sources; and
generating navigation menus for allowing a viewer to
modify the program guide, said navigation menus
example, the remaining “customization” options provided
for in the main program guide (e.g., LISTS, GUIDES,
understood that it is the following claims, including all
equivalents, which are intended to de?ne the scope of the
displayed.
a navigation menu (i.e., TYPE menu) allowing the viewer to
further customize the program guide.
Variations of the foregoing embodiment are possible. For
regarded as illustrative rather than limiting and that it be
25
pro-designated key on the IR remote 40. Upon depression of
any of the pre-designated keys, the microprocessor 15
generated so as to overwrite only a portion of said main
menu of said program guide; wherein said navigation
menus allow the viewer to select speci?c categories of
programming.
2. The method of generating an on-screen television
program guide according to claim 1, wherein at least one of
functions to generate the associated navigation menu 44 in
said navigation menus comprises a plurality of categories of
the same manner as explained above in conjunction with the
programming.
CATEGORY key.
3. The method of generating an on-screen television
In another embodiment of the present invention, the IR
program guide according to claim 1, wherein a system
remote 40 is provided with prede?ned keys which when
depressed function to customize the guide. More
controller functions to combine said main menu of said
program guide with said navigation menus such that said
navigation menus over-write only a portion of said main
menu of said program guide.
4. An apparatus for generating an on-screen television
speci?cally, the IR remote 40 can be provided with, for
example, a “NEWS” key, a “SPORTS” key and a “MOVIE”
35
key. Upon depression of any one of these keys, the micro
processor 15 functions to retrieve only program guide
entries corresponding to the selected category. Thus, if the
viewer depresses the "SPORTS" key, the microprocessor 15
program guide, said apparatus comprising:
means for generating a main menu of a program guide,
said main menu comprising program source informa
tion and program event information for a plurality of
program sources; and
means for generating navigation menus for allowing a
will function to generate and display a program guide
containing only sports related events.
With regard to the retrieval of related events, upon depres
sion of a pre-de?ned key on the IR remote 40, the instruction
forwarded to the microprocessor 15 comprises a classi?ca
tion tag (e.g., news, sports, movies, etc.), which identi?es
viewer to modify the program guide, said navigation
45
said main menu of said program guide;
wherein said navigation menus allow the viewer to select
the events to be retrieved from the complete program guide
infonnation stored in RAM 20.1116 microprocessor 15 then
searches the complete program guide and identi?es each
event having a classi?cation tag matching the classi?cation
speci?c categories of programming to be included in
the program guide.
5. The apparatus for generating an on-screen television
program guide according to claim 4, wherein said means for
tag selected by the viewer. (It is noted that program guide
information forwarded by the system provider contains a
separate classi?cation tag for each event.) Once identi?ed,
generating said main menu and said navigation menu com
prises a system controller, said system controller operative
for combining said main menu of said program guide with
the relative event information is retrieved and converted to
displayable font data and displayed, as described above.
The use of the pre-de?ned category keys further simpli?es
55
6. The apparaurs for generating an on-screen television
program guide according to claim 4, wherein at least one of
said navigation menus comprises a plurality of categories of
the need to navigate on-screen menus to customize the
program guide. Of course, other pre-de?ned keys could be
programming.
included on the IR remote 40 to provide additional custom
izing options.
7. The apparatus for generating an on-screen television
The method and apparatus of the present invention pro
program guide according to claim 4, said apparatus further
comprising:
vides important advantages over the prior art. Most
customization of the program guide, a substantial portion of
said navigation menus such that said navigation menus
over-write only a portion of said main menu of said program
guide.
the process of customizing the program guide. Indeed, by
utilizing the pre-de?ned category keys the viewer eliminates
importantly, the present invention
the possibility
of the viewer becoming lost within the guide. because during
menus generated so as to over-write only a portion of
65
means for receiving a signal, said signal containing pro
gram source information and program event informa
tion for a plurality of program sources; and
5,694,176
8
7
retrieving and displaying only program events having a
memory means coupled to said receiving means, said
program source information and program event infor
mation for a plurality of program sources being stored
classi?cation tag identical to the classi?cation tag asso
ciated with the selected pre-de?ned button.
14. An apparatus for generating an on-screen television
in said memory means, said memory means also stor
ing data representing said navigation menus.
5
program guide according to claim 4, wherein said system
controller is a microprocessor.
9. A method of generating an on-screen television pro
gram guide, said method comprising the steps of:
program guide, said apparatus comprising:
means for receiving a signal comprising program source
information and program event information for a plu
rality of program sources, said program event informa
8. The apparatus for generating an on-screen television
tion comprising a plurality of classi?cation tags, each
10
of said program events having at least one correspond
ing classi?cation tag;
receiving a signal comprising program source information
gram sources. said program event information com
memory means for storing said program source informa
tion and said program event information;
prising a plurality of classi?cation tags, each of said
program events having at least one corresponding clas
si?cation tag;
user input means comprising prede?ned buttons, each of
which corresponds to one of said plurality of classi?
cation tags;
storing said program sotu'ce information and said program
event information in memory;
means for generating a main menu of a program guide,
and program event information for a plurality of pro
providing a user input means with prede?ned buttons,
each of which corresponds to one of said plurality of
20
classi?cation tags;
generating a main menu of a program guide, said main
menu comprising program source information and pro
gram event information for a plurality of program 25
sources;
generating a navigation menu for allowing a viewer to
select, using said user input means, speci?c categories
of programming to be included in a category-speci?c
program guide, said navigation menu generated so as to
over-write only a portion of said main menu; and
generating a category speci?c on-screen television pro
gram guide in response to depression of one of said
prede?ned buttons on said user input means, said
category speci?c on-screen television program guide
comprising only program events having a classi?cation
tag corresponding to the classi?cation tag associated
with the selected prede?ned button.
category speci?c on-su'een television program guide
comprising only events having a classi?cation tag
35
10. The method of generating an on-screen television
means comprises a remote control.
11. The method of generating an on-screen television
program guide according to claim 10, wherein said remote
12. The method of generating an on-screen television
program guide according to claim 9, wherein said classi?
cation tags identify event categories comprising movies,
category-speci?c program guide, said navigation menu
generated so as to over-write only a portion of said
main menu; and
a system controller coupled to said memory means and
said user input means, said system controller operative
for generating a category speci?c on-screen television
program guide in response to depression of one of said
prede?ned buttons on said user input means, said
program guide according to claim 9, wherein the user input
control comprises a separate button for each classi?cation
tag included in said program event information.
said main menu comprising program source informa
tion and program event information for a plurality of
program sources;
means for genm'ating a navigation menu for allowing a
viewer to select, using said user input means, speci?c
categories of programming to be included in a
45
corresponding to the classi?cation tag associated with
the selected prede?ned button.
15. The apparatus for generating an on-screen television
program guide according to claim 14, wherein said user
input means comprises a remote control.
16. The apparatus for generating an on-screen television
program guide according to claim 15, wherein said remote
control comprises a separate button for each classi?cation
tag included in said program event information.
17. The apparatus for generating an on-screen television
program guide according to claim 14, wherein said classi
?cation tags identify event categories comprising movies,
news and sports.
18. The apparatus for generating an on-screen television
program guide according to claim 14, wherein in response to
news and sports.
depression of one of said prede?ned buttons on said user
13. The method of generating an on-screen television 50 input means, said system controller determines the classi?
program guide according to claim 9, wherein said step of
generating a category speci?c on-screen television program
guide in response to depression of one of said prede?ned
buttons on said user input means comprises:
determining the classi?cation tag associated with the
pre-de?ned button depressed on said remote;
searching said program source information and said pro
gram event information stored in said memory so as to
cation tag associated with the pie-de?ned button depressed
on said user input means; searches said program source
information and said program event information stored in
said memory so as to identify each program event having a
classi?cation tag identical to the classi?cation tag associated
with the selected prede?ned button; and retrieves and
displays only program events having a classi?cation tag
identical to the classi?cation tag associated with the selected
identify each program event having a classi?cation tag 60 pro-de?ned button.
identical to the classi?cation tag associated with the
selected pre-de?ned button; and
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