GB732718A - Improvements in or relating to telephone message recorders and call answering arrangements - Google Patents

Improvements in or relating to telephone message recorders and call answering arrangements

Info

Publication number
GB732718A
GB732718A GB2198652A GB2198652A GB732718A GB 732718 A GB732718 A GB 732718A GB 2198652 A GB2198652 A GB 2198652A GB 2198652 A GB2198652 A GB 2198652A GB 732718 A GB732718 A GB 732718A
Authority
GB
United Kingdom
Prior art keywords
amplifier
switch
message
coil
reproducer
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
GB2198652A
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.)
Individual
Original Assignee
Individual
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
Priority to GB189150A priority Critical patent/GB684772A/en
Application filed by Individual filed Critical Individual
Priority to GB2198652A priority patent/GB732718A/en
Publication of GB732718A publication Critical patent/GB732718A/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
    • H04M1/6545—Telephone line monitoring circuits therefor, e.g. ring detectors mechanically actuating hook switch, e.g. lifting handset
    • 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
    • H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephonic Communication Services (AREA)

Abstract

732,718. Substation equipment. BAKER, L. G. Dec. 1, 1953 [Sept. 1, 1952], No. 21986/52. Addition to 684,772. Class 40 (4). In an automatic telephone call answering apparatus which in response to the flow of ringing current to the telephone bell actuates the cradle switch for a predetermined period and initiates operation of motor-driven switches to transmit a pre-recorded message and record an incoming message, an inductive pick-up coil is provided for picking up both the ringing signal and subsequent incoming speech signals. Ringing current induced in coil 15 energizes a solenoid 22, after amplification in amplifier 19, and the resulting movement of plunger 23 lifts the handset 12 from its cradle, removes a detent 26 from a radial slot in a circular plate 27 on the end of a cam-shaft 28, and operates a microswitch 30 to start the motor 29. Detent arm 26 rides on the outer surface of plate 27 to maintain the handset in its lifted position when the ringing current ceases. A tape reproducer 50 also driven by motor 29 and carrying the prerecorded message is coupled to the drive through a friction clutch 54 and the reproducer output, amplified in amplifier 66, is applied acoustically to the telephone transmitter by a loud-speaker 79. At the end of the time allotted to the message transmission, micro-switch 57 disconnects the reproducer head and the tape drive is interrupted. Incoming speech currents induced in pick-up coil 15 are applied to the amplifier 66 over a change-over switch 17 and the amplifier output is fed to a recorder 60 by a switch 75. The mechanism is switched off after a complete revolution of plate 27 when the arm 26 falls back into the radial slot. Play-back means for the recorded messages may be manually controlled as described in Specification 684,772. An eraser head 61 which precedes the recording head is fed by an oscillator 64.
GB2198652A 1952-09-01 1952-09-01 Improvements in or relating to telephone message recorders and call answering arrangements Expired GB732718A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB189150A GB684772A (en) 1952-09-01 1950-01-24 Improvements in or relating to telephone message recorders and call answering arrangements
GB2198652A GB732718A (en) 1952-09-01 1952-09-01 Improvements in or relating to telephone message recorders and call answering arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2198652A GB732718A (en) 1952-09-01 1952-09-01 Improvements in or relating to telephone message recorders and call answering arrangements

Publications (1)

Publication Number Publication Date
GB732718A true GB732718A (en) 1955-06-29

Family

ID=10172082

Family Applications (2)

Application Number Title Priority Date Filing Date
GB189150A Expired GB684772A (en) 1952-09-01 1950-01-24 Improvements in or relating to telephone message recorders and call answering arrangements
GB2198652A Expired GB732718A (en) 1952-09-01 1952-09-01 Improvements in or relating to telephone message recorders and call answering arrangements

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB189150A Expired GB684772A (en) 1952-09-01 1950-01-24 Improvements in or relating to telephone message recorders and call answering arrangements

Country Status (1)

Country Link
GB (2) GB684772A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127474A (en) * 1958-10-13 1964-03-31 Royal Business Funds Corp Telephone answering apparatus
US3135831A (en) * 1961-03-27 1964-06-02 Robert K Youtie Answering attachment for soundrecording machines
US3230312A (en) * 1960-02-10 1966-01-18 K W F Ind Inc Automatic telephone answering apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112125B (en) * 1956-10-26 1961-08-03 Herbert Waldman Device for telephone sets for automatic answering and recording of messages with means for encrypted remote control for playback

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127474A (en) * 1958-10-13 1964-03-31 Royal Business Funds Corp Telephone answering apparatus
US3230312A (en) * 1960-02-10 1966-01-18 K W F Ind Inc Automatic telephone answering apparatus
US3135831A (en) * 1961-03-27 1964-06-02 Robert K Youtie Answering attachment for soundrecording machines

Also Published As

Publication number Publication date
GB684772A (en) 1952-12-24

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