JPS533106A - Telephon set oscillator - Google Patents

Telephon set oscillator

Info

Publication number
JPS533106A
JPS533106A JP7652376A JP7652376A JPS533106A JP S533106 A JPS533106 A JP S533106A JP 7652376 A JP7652376 A JP 7652376A JP 7652376 A JP7652376 A JP 7652376A JP S533106 A JPS533106 A JP S533106A
Authority
JP
Japan
Prior art keywords
telephon
set oscillator
coil
oscillator
aural
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
JP7652376A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5528624B2 (enrdf_load_stackoverflow
Inventor
Fujio Yamagishi
Katsuto Ueno
Hajime Nakazawa
Tadashi Tajo
Kenichi Iyosumi
Toshio Yokoo
Makoto Hirakawa
Hideo Fukazawa
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.)
Toshiba Corp
Fujitsu Ltd
Hitachi Ltd
Iwatsu Electric Co Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Toshiba Corp
Fujitsu Ltd
Hitachi Ltd
Iwatsu Electric Co Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Tokyo Shibaura Electric Co Ltd
Nippon 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
Application filed by Toshiba Corp, Fujitsu Ltd, Hitachi Ltd, Iwatsu Electric Co Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Tokyo Shibaura Electric Co Ltd, Nippon Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7652376A priority Critical patent/JPS533106A/ja
Publication of JPS533106A publication Critical patent/JPS533106A/ja
Publication of JPS5528624B2 publication Critical patent/JPS5528624B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
JP7652376A 1976-06-30 1976-06-30 Telephon set oscillator Granted JPS533106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7652376A JPS533106A (en) 1976-06-30 1976-06-30 Telephon set oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7652376A JPS533106A (en) 1976-06-30 1976-06-30 Telephon set oscillator

Publications (2)

Publication Number Publication Date
JPS533106A true JPS533106A (en) 1978-01-12
JPS5528624B2 JPS5528624B2 (enrdf_load_stackoverflow) 1980-07-29

Family

ID=13607634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7652376A Granted JPS533106A (en) 1976-06-30 1976-06-30 Telephon set oscillator

Country Status (1)

Country Link
JP (1) JPS533106A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57119897U (enrdf_load_stackoverflow) * 1981-01-20 1982-07-26

Also Published As

Publication number Publication date
JPS5528624B2 (enrdf_load_stackoverflow) 1980-07-29

Similar Documents

Publication Publication Date Title
JPS5314549A (en) Spiral traveling wave tube
CA1028436A (en) Method of tuning a frequency resonant microelectronic circuit
JPS533106A (en) Telephon set oscillator
JPS5339042A (en) Dielectric resonance circuit
AT378089B (de) Hochfrequenz-breitbandresonanzkreis
YU37247B (en) Circuit for measuring resonant frequency
FR2304229A1 (fr) Montage pour le decodage d'un signal radiophonique stereo module en frequence
JPS5315045A (en) Multi-frequency common-use antenna
JPS5357725A (en) High frequency inductive m band pass filter
JPS5362493A (en) Crystal vibrator
JPS52125222A (en) Tuning circuit
JPS5361948A (en) Signal blocking filter with single-phase
JPS5413714A (en) Multi-frequency signal reception system
JPS5342359A (en) Variable inductance coil for high frequency use
JPS55135897A (en) Standard tuning frequency signal generation circuit
JPS56137797A (en) Electroacoustic transducer
JPS5224427A (en) Frequency converter circuit
JPS536017A (en) Speaker device
JPS5313810A (en) Audio frequency signal telephone receiver
JPS53128248A (en) Parallel coupling filter
JPS5413320A (en) Basslef type speaker device
JPS533107A (en) Telephone set oscillator
JPS57112106A (en) Glass antenna
JPS53116060A (en) Transistor oscillating circuit
JPS52110463A (en) Method of manufacturing high frequency coil