NL166828C - Automatische kanaalkies-inrichting. - Google Patents

Automatische kanaalkies-inrichting.

Info

Publication number
NL166828C
NL166828C NL7206006.A NL7206006A NL166828C NL 166828 C NL166828 C NL 166828C NL 7206006 A NL7206006 A NL 7206006A NL 166828 C NL166828 C NL 166828C
Authority
NL
Netherlands
Prior art keywords
selecting device
channel selecting
automatic channel
automatic
selecting
Prior art date
Application number
NL7206006.A
Other languages
English (en)
Dutch (nl)
Other versions
NL166828B (nl
NL7206006A (fr
Original Assignee
Matsushita Electric Ind 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 JP3063671A external-priority patent/JPS5148604B1/ja
Priority claimed from JP3063771A external-priority patent/JPS5213362B1/ja
Priority claimed from JP3063871A external-priority patent/JPS5214922B1/ja
Priority claimed from JP3063971A external-priority patent/JPS5148605B1/ja
Priority claimed from JP3064071A external-priority patent/JPS5213363B1/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL7206006A publication Critical patent/NL7206006A/xx
Publication of NL166828B publication Critical patent/NL166828B/xx
Application granted granted Critical
Publication of NL166828C publication Critical patent/NL166828C/xx

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
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
    • 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
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NL7206006.A 1971-05-08 1972-05-04 Automatische kanaalkies-inrichting. NL166828C (nl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3063671A JPS5148604B1 (fr) 1971-05-08 1971-05-08
JP3063771A JPS5213362B1 (fr) 1971-05-08 1971-05-08
JP3063871A JPS5214922B1 (fr) 1971-05-08 1971-05-08
JP3063971A JPS5148605B1 (fr) 1971-05-08 1971-05-08
JP3064071A JPS5213363B1 (fr) 1971-05-08 1971-05-08

Publications (3)

Publication Number Publication Date
NL7206006A NL7206006A (fr) 1972-11-10
NL166828B NL166828B (nl) 1981-04-15
NL166828C true NL166828C (nl) 1981-09-15

Family

ID=27521251

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7206006.A NL166828C (nl) 1971-05-08 1972-05-04 Automatische kanaalkies-inrichting.

Country Status (6)

Country Link
US (1) US3818353A (fr)
CA (1) CA990813A (fr)
DE (1) DE2222523C3 (fr)
FR (1) FR2137633B1 (fr)
GB (1) GB1395768A (fr)
NL (1) NL166828C (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7306381A (fr) * 1973-05-08 1974-11-12
DE2330739C2 (de) * 1973-06-16 1982-03-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Bedienungseinrichtung für ein Fernsehempfangsgerät
US3978411A (en) * 1973-11-30 1976-08-31 Matsushita Electric Industrial Co., Ltd. Sweep output generator having a frequency modulated local oscillator for the station selector of a television receiver
US3931579A (en) * 1974-04-01 1976-01-06 Zenith Radio Corporation Digital signal seeking tuning system
US3961263A (en) * 1974-06-03 1976-06-01 Rca Corporation Bandstart detector system for a television tuning system
US3980959A (en) * 1974-06-03 1976-09-14 Rca Corporation Tuner bandswitching system for a television tuning system
US3958180A (en) * 1974-06-03 1976-05-18 Rca Corporation Varactor tuner frequency controller
US4020419A (en) * 1974-06-05 1977-04-26 The Magnavox Company Electronic system for automatically tuning to a selected television channel
US3956702A (en) * 1974-07-01 1976-05-11 Zenith Radio Corporation Band decoder for all-channel digital tuning system
US3980958A (en) * 1974-07-29 1976-09-14 Zenith Radio Corporation Signal seeking tuning system with illegal channel detection means
US3971991A (en) * 1974-09-04 1976-07-27 Zenith Radio Corporation Television tuning system with varactor malfunction detection
US3943449A (en) * 1974-09-09 1976-03-09 Zenith Radio Corporation Multi-speed ramp for a varactor tuning system
US3968444A (en) * 1974-11-11 1976-07-06 Texas Instruments Incorporated Skip band tuner
NL182359C (nl) * 1974-12-24 1988-02-16 Fujitsu Ten Ltd Radio-ontvanger.
DE2660248C2 (de) * 1975-11-14 1982-06-24 RCA Corp., 10020 New York, N.Y. Abstimmeinrichtung für Fernsehempfänger
IT1073074B (it) * 1975-11-14 1985-04-13 Rca Corp Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata
JPS5826693B2 (ja) * 1975-11-22 1983-06-04 ソニー株式会社 センキヨクソウチ
IT1064110B (it) * 1976-03-09 1985-02-18 Voxson Spa Sistema di sintonia elettronica con memorizzazione digitale delle stazioni radio emittenti
JPS5944805B2 (ja) * 1977-08-26 1984-11-01 株式会社日立製作所 自動選局装置
JP4690019B2 (ja) * 2004-11-18 2011-06-01 リーダー電子株式会社 チャンネル検出装置およびこれを備えたチューナ検査装置
KR100765319B1 (ko) * 2005-09-13 2007-10-09 삼성전자주식회사 방송 시스템의 채널 탐색 방법 및 그 장치
TWI277278B (en) * 2005-09-23 2007-03-21 Delta Electronics Inc High-voltage detecting circuit for saving power in standby mode
CN112633022B (zh) * 2020-12-04 2023-06-27 北京信息科技大学 一种射频标签安检机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3611152A (en) * 1967-07-25 1971-10-05 Matsushita Electric Ind Co Ltd Stabilized automatic tuning receiver

Also Published As

Publication number Publication date
DE2222523C3 (de) 1974-05-09
US3818353A (en) 1974-06-18
FR2137633B1 (fr) 1976-08-06
DE2222523A1 (de) 1973-01-25
AU4198672A (en) 1973-11-08
CA990813A (en) 1976-06-08
NL166828B (nl) 1981-04-15
GB1395768A (en) 1975-05-29
NL7206006A (fr) 1972-11-10
DE2222523B2 (fr) 1973-10-11
FR2137633A1 (fr) 1972-12-29

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent