GB2280321B - Channel Selection Apparatus - Google Patents

Channel Selection Apparatus

Info

Publication number
GB2280321B
GB2280321B GB9412654A GB9412654A GB2280321B GB 2280321 B GB2280321 B GB 2280321B GB 9412654 A GB9412654 A GB 9412654A GB 9412654 A GB9412654 A GB 9412654A GB 2280321 B GB2280321 B GB 2280321B
Authority
GB
United Kingdom
Prior art keywords
channel selection
selection apparatus
channel
selection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9412654A
Other versions
GB2280321A (en
GB9412654D0 (en
Inventor
Fusao Ishiguchi
Masanao Fukui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Funai Electric Co Ltd
Original Assignee
Funai Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP18334393A external-priority patent/JPH0722906A/en
Priority claimed from JP18334293A external-priority patent/JPH0722909A/en
Application filed by Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Publication of GB9412654D0 publication Critical patent/GB9412654D0/en
Publication of GB2280321A publication Critical patent/GB2280321A/en
Application granted granted Critical
Publication of GB2280321B publication Critical patent/GB2280321B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Television Receiver Circuits (AREA)
GB9412654A 1993-06-30 1994-06-23 Channel Selection Apparatus Expired - Fee Related GB2280321B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18334393A JPH0722906A (en) 1993-06-30 1993-06-30 Channel selection device
JP18334293A JPH0722909A (en) 1993-06-30 1993-06-30 Channel selection device

Publications (3)

Publication Number Publication Date
GB9412654D0 GB9412654D0 (en) 1994-08-10
GB2280321A GB2280321A (en) 1995-01-25
GB2280321B true GB2280321B (en) 1998-06-10

Family

ID=26501828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9412654A Expired - Fee Related GB2280321B (en) 1993-06-30 1994-06-23 Channel Selection Apparatus

Country Status (3)

Country Link
DE (1) DE4422998B4 (en)
GB (1) GB2280321B (en)
SG (1) SG49798A1 (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093922A (en) * 1977-03-17 1978-06-06 Texas Instruments Incorporated Microcomputer processing approach for a non-volatile TV station memory tuning system
GB2060295A (en) * 1979-09-28 1981-04-29 Rca Corp Search type tuning system with direct address channel selection apparatus
US4280140A (en) * 1980-02-19 1981-07-21 Zenith Radio Corporation Microcomputer-controlled one-step-back automatic frequency control tuning system
US4302778A (en) * 1980-06-30 1981-11-24 Zenith Radio Corporation AFT-wide automatic frequency control system and method
GB2081996A (en) * 1980-08-05 1982-02-24 Tokyo Shibaura Electric Co Channel selecting device
EP0257552A2 (en) * 1986-08-20 1988-03-02 Mitsubishi Denki Kabushiki Kaisha Television signal selection device
US4776038A (en) * 1987-01-21 1988-10-04 Rca Licensing Corporation Automatic air/cable mode selection apparatus for a television tuner
US4805230A (en) * 1986-06-25 1989-02-14 Mitsubhish Denki Kabushiki Kaisha Tuning method
EP0559344A2 (en) * 1992-02-29 1993-09-08 Samsung Electronics Co., Ltd. Television tuner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093922A (en) * 1977-03-17 1978-06-06 Texas Instruments Incorporated Microcomputer processing approach for a non-volatile TV station memory tuning system
GB2060295A (en) * 1979-09-28 1981-04-29 Rca Corp Search type tuning system with direct address channel selection apparatus
US4280140A (en) * 1980-02-19 1981-07-21 Zenith Radio Corporation Microcomputer-controlled one-step-back automatic frequency control tuning system
US4302778A (en) * 1980-06-30 1981-11-24 Zenith Radio Corporation AFT-wide automatic frequency control system and method
GB2081996A (en) * 1980-08-05 1982-02-24 Tokyo Shibaura Electric Co Channel selecting device
US4805230A (en) * 1986-06-25 1989-02-14 Mitsubhish Denki Kabushiki Kaisha Tuning method
EP0257552A2 (en) * 1986-08-20 1988-03-02 Mitsubishi Denki Kabushiki Kaisha Television signal selection device
US4776038A (en) * 1987-01-21 1988-10-04 Rca Licensing Corporation Automatic air/cable mode selection apparatus for a television tuner
EP0559344A2 (en) * 1992-02-29 1993-09-08 Samsung Electronics Co., Ltd. Television tuner

Also Published As

Publication number Publication date
DE4422998A1 (en) 1995-01-12
GB2280321A (en) 1995-01-25
GB9412654D0 (en) 1994-08-10
DE4422998B4 (en) 2006-04-27
SG49798A1 (en) 1998-06-15

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Legal Events

Date Code Title Description
728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080623