GB1349427A - Telephone speech recording device - Google Patents

Telephone speech recording device

Info

Publication number
GB1349427A
GB1349427A GB2224472A GB2224472A GB1349427A GB 1349427 A GB1349427 A GB 1349427A GB 2224472 A GB2224472 A GB 2224472A GB 2224472 A GB2224472 A GB 2224472A GB 1349427 A GB1349427 A GB 1349427A
Authority
GB
United Kingdom
Prior art keywords
winding
relay
telephone
line
recording device
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
GB2224472A
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
Publication of GB1349427A publication Critical patent/GB1349427A/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
    • H04M1/656—Recording arrangements for recording a message from the calling party for recording conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

1349427 Substation equipment PIONEER ELECTRONIC CORP 11 May 1972 [13 May 1971] 22244/72 Heading H4K [Also in Division G5] A two winding relay has one winding Y1 connected in series with a telephone set 2 and the second winding Y2 connected through an amplifier 3 to a recording head 4 of a magnetic tape recorder. When the telephone handset is lifted and the line looped, the current in the line causes the relay to operate and by means of contacts y1-y4 to switch on the tape recorder. Since the relay windings are inductively coupled the audio signals on the telephone line will be recorded.
GB2224472A 1971-05-13 1972-05-11 Telephone speech recording device Expired GB1349427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3846571U JPS5152888Y2 (en) 1971-05-13 1971-05-13

Publications (1)

Publication Number Publication Date
GB1349427A true GB1349427A (en) 1974-04-03

Family

ID=12525986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2224472A Expired GB1349427A (en) 1971-05-13 1972-05-11 Telephone speech recording device

Country Status (4)

Country Link
JP (1) JPS5152888Y2 (en)
CA (1) CA949688A (en)
DE (1) DE2223243C3 (en)
GB (1) GB1349427A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333510A1 (en) * 1983-09-16 1985-04-18 Michael 7100 Heilbronn Wolf TELEPHONE TALK RECORDING DEVICE
JPS62104948A (en) * 1985-10-25 1987-05-15 グンゼ株式会社 Cloth take-up method of circular knitting machine

Also Published As

Publication number Publication date
CA949688A (en) 1974-06-18
JPS5152888Y2 (en) 1976-12-17
DE2223243C3 (en) 1980-05-29
DE2223243B2 (en) 1979-09-20
JPS4735813U (en) 1972-12-21
DE2223243A1 (en) 1972-11-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee