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 arrangementsInfo
- 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
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.
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)
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)
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 |
-
1950
- 1950-01-24 GB GB189150A patent/GB684772A/en not_active Expired
-
1952
- 1952-09-01 GB GB2198652A patent/GB732718A/en not_active Expired
Cited By (3)
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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