EP0178923A2
Expired / Lapsed
EP
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Television receivers
Assignee: Sony Corp
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Filing: 1985-10-16
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Granted: —
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Expires: 2005-10-16
Abstract
Abstract In a television receiver in which a television signal is processed in a digital form and which includes a memory (29.39.49) for storing data to control such processing, a circuit is provided for refreshing the data in the memory at certain regular periods and a circuit is also provided for writing input data into the memory at the appropriate location at any time new data is inputted by the user. An operating method is also provided to accomplish the functional tasks of the refreshing circuit and interrupt circuit.
Inventors
- 👤 Takao C/O Sony Corporation Itabashi
- 👤 Junya C/O Sony Corporation Saito
- 👤 Norihito Sony Corporation Ichikawa
- 👤 Yoshinori Sony Corporation Komiya
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 19:45
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/04; H04N9/00; H04N9/64
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
128 words
Apparatus for use with a television receiver in which a television signal is processed in digital form, the apparatus comprising: processing control means for controlling the digital processing of the television signal; memory means connected to the processing control means for storing data used thereby in controlling the processing; refreshing means connected to the memory means for refreshing data stored therein at regular periodic intervals; keyboard means (71) operably connected to the receiver and capable of being actuated by a user of the television receiver for inputting data to control operation of the television receiver; and write control means connected to the keyboard means (71) and the memory means for controlling the memory means for writing input data into the memory means upon actuation of the keyboard means.
Claim 2
Dependent Claim
128 words
Apparatus for use with a television receiver in which a television signal is processed in digital form, the apparatus comprising: processing control means for controlling the digital processing of the television signal; memory means connected to the processing control means for storing data used thereby in controlling the processing; refreshing means connected to the memory means for refreshing data stored therein at regular periodic intervals; keyboard means (71) operably connected to the receiver and capable of being actuated by a user of the television receiver for inputting data to control operation of the television receiver; and write control means connected to the keyboard means (71) and the memory means for controlling the memory means for writing input data into the memory means upon actuation of the keyboard means.
Claim 3
Dependent Claim
24 words
Apparatus according to claim 1, including selecting means for selecting the regular periodic intervals to be a vertical sync period of the television signal.
Claim 4
Dependent Claim
34 words
Apparatus according to claim 2, in which the selecting means is operative to cause the refreshing means to refresh said data in the memory means during a vertical blanking period of the television signal.
Claim 5
Dependent Claim
27 words
Apparatus according to claim 1, claim 2 or claim 3, in which the memory means includes a non-volatile re-writable memory and a plurality of interface registers (29,39,49).
Claim 6
Independent Claim
90 words
A method for use with a television receiver for digitally processing a television signal that is converted into a digital signal and controlled by digital data stored in a memory and having a keyboard (71) for inputting new data upon actuation by the user of the television receiver, the method comprising the steps of: cyclically refreshing the data stored in the memory at regular periods intervals; and writing new data inputted by the user into the memory at any time during refreshing cycle upon inputting new data by the user.
Claim 7
Independent Claim
90 words
A method for use with a television receiver for digitally processing a television signal that is converted into a digital signal and controlled by digital data stored in a memory and having a keyboard (71) for inputting new data upon actuation by the user of the television receiver, the method comprising the steps of: cyclically refreshing the data stored in the memory at regular periods intervals; and writing new data inputted by the user into the memory at any time during refreshing cycle upon inputting new data by the user.
Claim 8
Dependent Claim
22 words
A method according to claim 5, including selecting the regular periodic intervals to be a vertical sync period of the television signal.
Claim 9
Dependent Claim
25 words
A method according to claim 5, including performing the step of cyclically refreshing the data only during a vertical blanking pulse of the television signal.
Claim 10
Dependent Claim
46 words
A method according to claim 5, claim 6 or claim 7, in which there are a number of locations (29,39,49) in the memory for storing data and in which the step of refreshing includes sequentially refreshing the data at each location, one location at a time.
Claim 11
Dependent Claim
133 words
Apparatus for use with a television receiver in which a television signal is digitally processed, the apparatus comprising: process control means for controlling digital processing of the television signal in accordance with digital data inputted thereto; register means connected to the process control means for temporarily storing said digital data used by the process control means for controlling processing of said television signal; memory means connected to the register means for refreshing digital data stored therein at regular periodic intervals; keyboard means (71) operably connected to the receiver and capable of being actuated manually by a user of the television receiver for inputting data to control operation of the television; and write control means for controlling the memory means for writing input data into the memory means upon actuation of the keyboard means.
Claim 12
Dependent Claim
133 words
Apparatus for use with a television receiver in which a television signal is digitally processed, the apparatus comprising: process control means for controlling digital processing of the television signal in accordance with digital data inputted thereto; register means connected to the process control means for temporarily storing said digital data used by the process control means for controlling processing of said television signal; memory means connected to the register means for refreshing digital data stored therein at regular periodic intervals; keyboard means (71) operably connected to the receiver and capable of being actuated manually by a user of the television receiver for inputting data to control operation of the television; and write control means for controlling the memory means for writing input data into the memory means upon actuation of the keyboard means.
Claim 13
Dependent Claim
24 words
Apparatus according to claim 9, including selecting means for selecting said regular periodic intervals to be a vertical sync period of the television signal.
Claim 14
Dependent Claim
31 words
Apparatus according to claim 10, in which the selecting means is operative to cause the memory means to refresh said data only during a vertical blanking period of the television signal.
Claim 15
Dependent Claim
37 words
Apparatus according to claim 9, in which the memory means includes at least one non-volatile, re-writable memory and the register means forms part of an interface unit (29,39,49) between the memory means and the process control means.
References Cited (Backward Citations)
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