JPS5750123A - Counter for number of channel - Google Patents

Counter for number of channel

Info

Publication number
JPS5750123A
JPS5750123A JP12455080A JP12455080A JPS5750123A JP S5750123 A JPS5750123 A JP S5750123A JP 12455080 A JP12455080 A JP 12455080A JP 12455080 A JP12455080 A JP 12455080A JP S5750123 A JPS5750123 A JP S5750123A
Authority
JP
Japan
Prior art keywords
surface acoustic
filter
detection circuit
counter
channel
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.)
Granted
Application number
JP12455080A
Other languages
English (en)
Other versions
JPS6059769B2 (ja
Inventor
Toshio Nagashima
Eisaku Akutsu
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12455080A priority Critical patent/JPS6059769B2/ja
Publication of JPS5750123A publication Critical patent/JPS5750123A/ja
Publication of JPS6059769B2 publication Critical patent/JPS6059769B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18Automatic scanning over a band of frequencies
    • H03J7/20Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28Automatic 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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP12455080A 1980-09-10 1980-09-10 チャネル数カウント装置 Expired JPS6059769B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12455080A JPS6059769B2 (ja) 1980-09-10 1980-09-10 チャネル数カウント装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12455080A JPS6059769B2 (ja) 1980-09-10 1980-09-10 チャネル数カウント装置

Publications (2)

Publication Number Publication Date
JPS5750123A true JPS5750123A (en) 1982-03-24
JPS6059769B2 JPS6059769B2 (ja) 1985-12-26

Family

ID=14888246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12455080A Expired JPS6059769B2 (ja) 1980-09-10 1980-09-10 チャネル数カウント装置

Country Status (1)

Country Link
JP (1) JPS6059769B2 (ja)

Also Published As

Publication number Publication date
JPS6059769B2 (ja) 1985-12-26

Similar Documents

Publication Publication Date Title
US3855575A (en) Ultrasonic remote control receiver
GB1461404A (en) Coin selection method and apparatus
US4663624A (en) Pager having receiving frame tuned by transducer
CA1089033A (en) Tone signal detecting circuit
JPS6471211A (en) Multifrequency type static capacitance sensor
JPS5750123A (en) Counter for number of channel
SE7713976L (sv) Reknarkrets
JPS5750121A (en) Counter for number of channel
JPS57187649A (en) Metal detector
JPS5773404A (en) Transmitter of switch signal
JPS56164617A (en) Am station detecting circuit for electronic tuner
JPS5660380A (en) Electronic timepiece
SU445123A1 (ru) Устройство дл автоматической настройки избирательного усилител на фиксированные частоты
JPS5750122A (en) Counter for number of channel
JPS5471512A (en) Receiver for multi-frequency signal
RU2029921C1 (ru) Акустический сигнализатор уровня
JPS55165023A (en) Channel selection unit
SU1469379A2 (ru) Способ определени работоспособности подшипникового узла и устройство дл его осуществлени
JPS5487570A (en) Electronic watch with alarm
SU399898A1 (ru) ВЫСОКОЧАСТОТНЫЙ ДАТЧИК дл СЧЕТА МЕЛКИХ МЕТАЛЛИЧЕСКИХ ИЗДЕЛИЙ
SU540401A1 (ru) Приемник частотно-манипулированных сигналов
KR800000023Y1 (ko) 맥동류 전파를 이용한 호출장치의 수신기
JPS57110966A (en) Frequency-voltage conversion circuit
JPS575440A (en) Impulse noise rejector
JPS5789324A (en) Channel selecting device