JPS5275104A - Automatic answering telephone set - Google Patents

Automatic answering telephone set

Info

Publication number
JPS5275104A
JPS5275104A JP50151487A JP15148775A JPS5275104A JP S5275104 A JPS5275104 A JP S5275104A JP 50151487 A JP50151487 A JP 50151487A JP 15148775 A JP15148775 A JP 15148775A JP S5275104 A JPS5275104 A JP S5275104A
Authority
JP
Japan
Prior art keywords
telephone set
automatic answering
answering telephone
recording
busy tone
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
JP50151487A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5746262B2 (Direct
Inventor
Mitsuo Sato
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50151487A priority Critical patent/JPS5275104A/ja
Publication of JPS5275104A publication Critical patent/JPS5275104A/ja
Publication of JPS5746262B2 publication Critical patent/JPS5746262B2/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
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Manipulation Of Pulses (AREA)
JP50151487A 1975-12-18 1975-12-18 Automatic answering telephone set Granted JPS5275104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50151487A JPS5275104A (en) 1975-12-18 1975-12-18 Automatic answering telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50151487A JPS5275104A (en) 1975-12-18 1975-12-18 Automatic answering telephone set

Publications (2)

Publication Number Publication Date
JPS5275104A true JPS5275104A (en) 1977-06-23
JPS5746262B2 JPS5746262B2 (Direct) 1982-10-02

Family

ID=15519563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50151487A Granted JPS5275104A (en) 1975-12-18 1975-12-18 Automatic answering telephone set

Country Status (1)

Country Link
JP (1) JPS5275104A (Direct)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136700A (en) * 1981-02-18 1982-08-23 Nippon Electric Co Voice recognizer with control tone detection
JPS58123227A (ja) * 1982-01-18 1983-07-22 Fujitsu Ltd 信号検出回路
JPH0270558U (Direct) * 1988-11-16 1990-05-29
JPH03276948A (ja) * 1990-03-27 1991-12-09 Nippon Telegr & Teleph Corp <Ntt> 留守番電話機
JPH07235976A (ja) * 1994-02-22 1995-09-05 Murata Mach Ltd 留守番電話機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922048A (Direct) * 1972-06-16 1974-02-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922048A (Direct) * 1972-06-16 1974-02-27

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136700A (en) * 1981-02-18 1982-08-23 Nippon Electric Co Voice recognizer with control tone detection
JPS58123227A (ja) * 1982-01-18 1983-07-22 Fujitsu Ltd 信号検出回路
JPH0270558U (Direct) * 1988-11-16 1990-05-29
JPH03276948A (ja) * 1990-03-27 1991-12-09 Nippon Telegr & Teleph Corp <Ntt> 留守番電話機
JPH07235976A (ja) * 1994-02-22 1995-09-05 Murata Mach Ltd 留守番電話機

Also Published As

Publication number Publication date
JPS5746262B2 (Direct) 1982-10-02

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