FI780555A - Kopplingsanordning foer en snabbtelefon - Google Patents
Kopplingsanordning foer en snabbtelefonInfo
- Publication number
- FI780555A FI780555A FI780555A FI780555A FI780555A FI 780555 A FI780555 A FI 780555A FI 780555 A FI780555 A FI 780555A FI 780555 A FI780555 A FI 780555A FI 780555 A FI780555 A FI 780555A
- Authority
- FI
- Finland
- Prior art keywords
- snabbtelefon
- kopplingsanordning foer
- kopplingsanordning
- foer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772751248 DE2751248C3 (de) | 1977-11-16 | 1977-11-16 | Schaltungsanordnung für ein Freisprechertelefon |
DE19772751261 DE2751261C3 (de) | 1977-11-16 | 1977-11-16 | Schaltungsanordnung für ein Freisprechertelefon mit selbsttätiger Signalamplitudenbegrenzung |
Publications (1)
Publication Number | Publication Date |
---|---|
FI780555A true FI780555A (fi) | 1979-05-17 |
Family
ID=25773095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI780555A FI780555A (fi) | 1977-11-16 | 1978-02-20 | Kopplingsanordning foer en snabbtelefon |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5472906A (fi) |
CH (1) | CH626485A5 (fi) |
DK (1) | DK74878A (fi) |
FI (1) | FI780555A (fi) |
FR (1) | FR2409645A2 (fi) |
GB (1) | GB1568329A (fi) |
IT (1) | IT1161440B (fi) |
LU (1) | LU79026A1 (fi) |
NL (1) | NL7801820A (fi) |
SE (1) | SE7801902L (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8317706D0 (en) * | 1983-06-29 | 1983-08-03 | Standard Telephones Cables Ltd | Telephone subsets |
US4724540A (en) * | 1986-09-02 | 1988-02-09 | Motorola, Inc. | Speakerphone with fast idle mode |
JPH06338934A (ja) * | 1993-05-25 | 1994-12-06 | Exar Corp | 事象駆動型制御回路を有するスピーカーホーン |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4051325A (en) * | 1975-01-31 | 1977-09-27 | Matsushita Electric Industrial Co., Ltd. | Speech intercommunication system |
DE2638286C3 (de) * | 1976-08-25 | 1979-03-01 | Dasy Inter S.A., Genf (Schweiz) | Schaltungsanordnung für ein Freisprechertelefon |
-
1978
- 1978-02-08 LU LU79026A patent/LU79026A1/de unknown
- 1978-02-16 GB GB6251/78A patent/GB1568329A/en not_active Expired
- 1978-02-16 FR FR7804396A patent/FR2409645A2/fr active Pending
- 1978-02-17 NL NL7801820A patent/NL7801820A/xx not_active Application Discontinuation
- 1978-02-20 FI FI780555A patent/FI780555A/fi unknown
- 1978-02-20 SE SE7801902A patent/SE7801902L/xx unknown
- 1978-02-20 IT IT12485/78A patent/IT1161440B/it active
- 1978-02-20 DK DK74878A patent/DK74878A/da not_active Application Discontinuation
- 1978-02-20 CH CH182478A patent/CH626485A5/de not_active IP Right Cessation
- 1978-02-20 JP JP1840878A patent/JPS5472906A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5472906A (en) | 1979-06-11 |
NL7801820A (nl) | 1979-05-18 |
IT1161440B (it) | 1987-03-18 |
SE7801902L (sv) | 1979-05-17 |
CH626485A5 (en) | 1981-11-13 |
GB1568329A (en) | 1980-05-29 |
FR2409645A2 (fr) | 1979-06-15 |
LU79026A1 (de) | 1978-06-21 |
DK74878A (da) | 1979-05-17 |
IT7812485A0 (it) | 1978-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI780654A (fi) | Aerosoldispenser | |
FI782955A (fi) | Undermadrass foer liggmoebler | |
FI783366A (fi) | Foerbaettrat foerfarande foer mikrobipolypeptiduttryck | |
SE7806467L (sv) | Amidderivat | |
FI783553A (fi) | Katodstraoleroer | |
BE869955A (fr) | Thiadiazolyloxadethiacephalosporines | |
BE868666A (fr) | Verpakkingshouder | |
FI783126A (fi) | Xantinderivat | |
FI783895A (fi) | Vattenlaos | |
FI780669A (fi) | Skosula | |
DK588477A (da) | Oxazoliner | |
FI782091A (fi) | Faergbildroer | |
FI782727A (fi) | Elastomerkomposition | |
ATA28778A (de) | Haarschneidemaschine | |
DK100478A (da) | Aegbakke | |
FI780842A (fi) | Pyridinylaminoalkyletrar | |
TR20153A (tr) | Katod isini tuepue | |
FI782814A (fi) | Databehandlingssystem | |
DK409878A (da) | Staaltov | |
FI781961A (fi) | Hoerselskyddshaollare | |
FI781457A (fi) | Tillfoerselroer foer skivkvarnar | |
FI781295A (fi) | Krets foer gasurladdningslampa | |
BE865073A (fr) | Clou-rivet | |
AR215677A1 (es) | Tarugo | |
FI780328A (fi) | Formaldehydfri spaonskiva |