CA949689A - Input circuit for an automatic telephone answering device - Google Patents

Input circuit for an automatic telephone answering device

Info

Publication number
CA949689A
CA949689A CA134,965A CA134965A CA949689A CA 949689 A CA949689 A CA 949689A CA 134965 A CA134965 A CA 134965A CA 949689 A CA949689 A CA 949689A
Authority
CA
Canada
Prior art keywords
input circuit
answering device
automatic telephone
telephone answering
automatic
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
CA134,965A
Other languages
English (en)
Other versions
CA134965S (en
Inventor
Takashi 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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of CA949689A publication Critical patent/CA949689A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
CA134,965A 1971-02-27 1972-02-17 Input circuit for an automatic telephone answering device Expired CA949689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971011706U JPS5645243Y2 (el) 1971-02-27 1971-02-27

Publications (1)

Publication Number Publication Date
CA949689A true CA949689A (en) 1974-06-18

Family

ID=11785473

Family Applications (1)

Application Number Title Priority Date Filing Date
CA134,965A Expired CA949689A (en) 1971-02-27 1972-02-17 Input circuit for an automatic telephone answering device

Country Status (5)

Country Link
US (1) US3766321A (el)
JP (1) JPS5645243Y2 (el)
AU (1) AU461789B2 (el)
CA (1) CA949689A (el)
GB (1) GB1370196A (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505512U (el) * 1973-05-17 1975-01-21
FR2525056A1 (fr) * 1982-04-09 1983-10-14 Telephonie Ind Commerciale Dispositif de prise de ligne sans decrochage pour poste telephonique comportant un microprocesseur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325598A (en) * 1963-09-18 1967-06-13 Bell Telephone Labor Inc Remote condition monitoring circuit with ringing current actuated switch connecting twomode oscillator to telephone line
US3445600A (en) * 1964-08-07 1969-05-20 Leonard M Todd Telephone answering device
US3492439A (en) * 1965-11-10 1970-01-27 Amtron Telephone signalling circuit
US3485952A (en) * 1967-01-23 1969-12-23 Alvin E Walker Electronic phone control

Also Published As

Publication number Publication date
JPS5645243Y2 (el) 1981-10-22
GB1370196A (en) 1974-10-16
US3766321A (en) 1973-10-16
AU461789B2 (en) 1975-05-20
JPS479306U (el) 1972-10-04
AU3929772A (en) 1973-08-30

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