DE2235938C3 - Kanalwähler für Fernsehempfänger - Google Patents

Kanalwähler für Fernsehempfänger

Info

Publication number
DE2235938C3
DE2235938C3 DE2235938A DE2235938A DE2235938C3 DE 2235938 C3 DE2235938 C3 DE 2235938C3 DE 2235938 A DE2235938 A DE 2235938A DE 2235938 A DE2235938 A DE 2235938A DE 2235938 C3 DE2235938 C3 DE 2235938C3
Authority
DE
Germany
Prior art keywords
circuit
binary
channel
counter
content
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
Application number
DE2235938A
Other languages
German (de)
English (en)
Other versions
DE2235938A1 (de
DE2235938B2 (de
Inventor
Kazumi Settsu Kawashima (Japan)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 JP5549171A external-priority patent/JPS527881B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE2235938A1 publication Critical patent/DE2235938A1/de
Publication of DE2235938B2 publication Critical patent/DE2235938B2/de
Application granted granted Critical
Publication of DE2235938C3 publication Critical patent/DE2235938C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H03J5/0227—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values using a counter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE2235938A 1971-07-23 1972-07-21 Kanalwähler für Fernsehempfänger Expired DE2235938C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5549071 1971-07-23
JP5549171A JPS527881B1 (enExample) 1971-07-23 1971-07-23

Publications (3)

Publication Number Publication Date
DE2235938A1 DE2235938A1 (de) 1973-02-08
DE2235938B2 DE2235938B2 (de) 1979-10-25
DE2235938C3 true DE2235938C3 (de) 1980-07-17

Family

ID=26396384

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2235938A Expired DE2235938C3 (de) 1971-07-23 1972-07-21 Kanalwähler für Fernsehempfänger

Country Status (6)

Country Link
US (1) US3748645A (enExample)
CA (1) CA961558A (enExample)
DE (1) DE2235938C3 (enExample)
FR (1) FR2147108B1 (enExample)
GB (1) GB1404187A (enExample)
NL (1) NL161009C (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2305931C3 (de) * 1972-02-10 1979-07-19 Sanyo Electric Co., Ltd., Moriguchi, Osaka (Japan) Fernsteuersender
US3999131A (en) * 1972-11-14 1976-12-21 Tokyo Shibaura Electric Co., Ltd. Channel-selecting apparatus for multichannel receivers
NL162525C (nl) * 1973-10-31 1980-05-16 Matsushita Electric Industrial Co Ltd Kanaalkiezer.
US3947773A (en) * 1974-01-17 1976-03-30 Rca Corporation Channel number memory for television tuners
GB1503334A (en) * 1974-02-25 1978-03-08 Matsushita Electric Industrial Co Ltd Tuning apparatus using a voltage-dependent reactance element
US3924191A (en) * 1974-04-01 1975-12-02 Zenith Radio Corp Touch-tuning system for a television receiver
NL7405304A (nl) * 1974-04-19 1975-10-21 Philips Nv Bedieningsinrichting.
USRE30054E (en) * 1974-04-19 1979-07-24 U.S. Philips Corporation Control device
JPS5415164B2 (enExample) * 1974-05-20 1979-06-13
US3918002A (en) * 1974-05-22 1975-11-04 Texas Instruments Inc Electronic channel selector system with preset-at-power-on feature
US3953801A (en) * 1974-06-03 1976-04-27 Zenith Radio Corporation Receiver digital control system
US3956702A (en) * 1974-07-01 1976-05-11 Zenith Radio Corporation Band decoder for all-channel digital tuning system
JPS5637728B2 (enExample) * 1974-07-05 1981-09-02
US3942121A (en) * 1974-09-09 1976-03-02 Texas Instruments Incorporated Digital tuning method and system
US3943449A (en) * 1974-09-09 1976-03-09 Zenith Radio Corporation Multi-speed ramp for a varactor tuning system
GB1521900A (en) * 1974-09-25 1978-08-16 Texas Instruments Inc Radio set tuning system
US4117407A (en) * 1975-04-30 1978-09-26 Tokyo Shibaura Electric Co., Ltd. Frequency synthesizer tuner
US4023105A (en) * 1975-08-25 1977-05-10 Rca Corporation Counter type remote control receiver producing binary outputs correlated with numerical commands of a companion remote control transmitter
US4023107A (en) * 1975-10-14 1977-05-10 Zenith Radio Corporation Sequential channel tuning system with a memory
IT1159686B (it) 1978-05-22 1987-03-04 Indesit Televisore
US4181891A (en) * 1978-06-05 1980-01-01 Zenith Radio Corporation Channel change indication circuit
US4514732A (en) * 1982-08-23 1985-04-30 General Electric Company Technique for increasing battery life in remote control transmitters
JPS59100673A (ja) * 1982-11-30 1984-06-09 Sony Corp テレビ受像機
US4979047A (en) * 1989-02-21 1990-12-18 Rca Licensing Corporation Automatically activated commercial message timer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932001B1 (enExample) * 1969-04-14 1974-08-27

Also Published As

Publication number Publication date
CA961558A (en) 1975-01-21
GB1404187A (en) 1975-08-28
NL7210112A (enExample) 1973-01-25
AU4484572A (en) 1973-05-31
NL161009C (nl) 1979-12-17
US3748645A (en) 1973-07-24
FR2147108A1 (enExample) 1973-03-09
DE2235938A1 (de) 1973-02-08
DE2235938B2 (de) 1979-10-25
FR2147108B1 (enExample) 1973-08-10
NL161009B (nl) 1979-07-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)