JPS5260004A - Switching unit of automatic telephone answering set - Google Patents

Switching unit of automatic telephone answering set

Info

Publication number
JPS5260004A
JPS5260004A JP50136599A JP13659975A JPS5260004A JP S5260004 A JPS5260004 A JP S5260004A JP 50136599 A JP50136599 A JP 50136599A JP 13659975 A JP13659975 A JP 13659975A JP S5260004 A JPS5260004 A JP S5260004A
Authority
JP
Japan
Prior art keywords
switching unit
automatic telephone
telephone answering
answering set
telephone
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.)
Pending
Application number
JP50136599A
Other languages
Japanese (ja)
Inventor
Tadashi Tamura
Isao Otawara
Fumihiko Nakamura
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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Sanyo Denki 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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP50136599A priority Critical patent/JPS5260004A/en
Publication of JPS5260004A publication Critical patent/JPS5260004A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/64Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:A substituting set is installed to automatic telephone answering set in order to avoid unusable state of telephone circuit connected to the telephone in case a trouble takes place. Thus, a satisfactory service can be cecured for the customer.
JP50136599A 1975-11-12 1975-11-12 Switching unit of automatic telephone answering set Pending JPS5260004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50136599A JPS5260004A (en) 1975-11-12 1975-11-12 Switching unit of automatic telephone answering set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50136599A JPS5260004A (en) 1975-11-12 1975-11-12 Switching unit of automatic telephone answering set

Publications (1)

Publication Number Publication Date
JPS5260004A true JPS5260004A (en) 1977-05-18

Family

ID=15179055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50136599A Pending JPS5260004A (en) 1975-11-12 1975-11-12 Switching unit of automatic telephone answering set

Country Status (1)

Country Link
JP (1) JPS5260004A (en)

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Legal Events

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A711 Notification of change in applicant

Effective date: 20041110

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A621 Written request for application examination

Effective date: 20050315

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A761 Written withdrawal of application

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Effective date: 20070808