BE828071A - TELEPHONE RINGING - Google Patents
TELEPHONE RINGINGInfo
- Publication number
- BE828071A BE828071A BE2054281A BE2054281A BE828071A BE 828071 A BE828071 A BE 828071A BE 2054281 A BE2054281 A BE 2054281A BE 2054281 A BE2054281 A BE 2054281A BE 828071 A BE828071 A BE 828071A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone ringing
- ringing
- telephone
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
- G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
- G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
- G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
- G10K1/064—Operating or striking mechanisms therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromechanical Clocks (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2157674A IT1007949B (en) | 1974-04-18 | 1974-04-18 | TELEPHONE RING UNIT |
Publications (1)
Publication Number | Publication Date |
---|---|
BE828071A true BE828071A (en) | 1975-10-20 |
Family
ID=11183833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2054281A BE828071A (en) | 1974-04-18 | 1975-04-18 | TELEPHONE RINGING |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE828071A (en) |
DE (1) | DE2515922A1 (en) |
GB (1) | GB1466816A (en) |
IT (1) | IT1007949B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2925645C2 (en) * | 1979-06-26 | 1981-10-08 | Deutsche Fernsprecher Gesellschaft Mbh Marburg, 3550 Marburg | Polarized alarm clock |
DE2949945C2 (en) * | 1979-12-12 | 1982-03-04 | Deutsche Fernsprecher Gesellschaft Mbh Marburg, 3550 Marburg | Polarized alarm clock |
-
1974
- 1974-04-18 IT IT2157674A patent/IT1007949B/en active
-
1975
- 1975-04-11 DE DE19752515922 patent/DE2515922A1/en not_active Withdrawn
- 1975-04-15 GB GB1542375A patent/GB1466816A/en not_active Expired
- 1975-04-18 BE BE2054281A patent/BE828071A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT1007949B (en) | 1976-10-30 |
GB1466816A (en) | 1977-03-09 |
DE2515922A1 (en) | 1975-11-06 |
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