CA967297A - Telephone answering apparatus and control circuits therefor - Google Patents
Telephone answering apparatus and control circuits thereforInfo
- Publication number
- CA967297A CA967297A CA155,235A CA155235A CA967297A CA 967297 A CA967297 A CA 967297A CA 155235 A CA155235 A CA 155235A CA 967297 A CA967297 A CA 967297A
- Authority
- CA
- Canada
- Prior art keywords
- control circuits
- telephone answering
- answering apparatus
- circuits therefor
- therefor
- 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
- H04M1/6515—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)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19540071A | 1971-11-03 | 1971-11-03 | |
US00254924A US3818141A (en) | 1972-05-19 | 1972-05-19 | Control circuit for telephone answering device |
Publications (1)
Publication Number | Publication Date |
---|---|
CA967297A true CA967297A (en) | 1975-05-06 |
Family
ID=26890959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA155,235A Expired CA967297A (en) | 1971-11-03 | 1972-10-31 | Telephone answering apparatus and control circuits therefor |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA967297A (en) |
DE (1) | DE2252902A1 (en) |
GB (1) | GB1384805A (en) |
-
1972
- 1972-10-24 GB GB4897572A patent/GB1384805A/en not_active Expired
- 1972-10-27 DE DE19722252902 patent/DE2252902A1/en active Pending
- 1972-10-31 CA CA155,235A patent/CA967297A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2252902A1 (en) | 1973-05-10 |
GB1384805A (en) | 1975-02-19 |
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