SE351335B - - Google Patents
Info
- Publication number
- SE351335B SE351335B SE00093/72A SE9372A SE351335B SE 351335 B SE351335 B SE 351335B SE 00093/72 A SE00093/72 A SE 00093/72A SE 9372 A SE9372 A SE 9372A SE 351335 B SE351335 B SE 351335B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE00093/72A SE351335B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-05 | 1972-01-05 | |
| US00316403A US3825848A (en) | 1972-01-05 | 1972-12-18 | Integrated amplifier |
| IT33912/72A IT973193B (it) | 1972-01-05 | 1972-12-29 | Amplificatore integrato |
| DE2300540A DE2300540B2 (de) | 1972-01-05 | 1973-01-04 | Integrierter Verstärker, insbesondere für Fernsprechgeräte |
| GB65373A GB1414893A (en) | 1972-01-05 | 1973-01-04 | Integrated amplifier circuits |
| FR7300244A FR2167689B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-05 | 1973-01-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE00093/72A SE351335B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-05 | 1972-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE351335B true SE351335B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-11-20 |
Family
ID=20256026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE00093/72A SE351335B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-01-05 | 1972-01-05 |
Country Status (6)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2906084C2 (de) * | 1979-02-15 | 1981-10-08 | Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin | Schaltungsanordnung zur Übertragung von sprachfrequenten Signalen in Fernsprechanlagen |
| JPS6041909B2 (ja) * | 1980-03-26 | 1985-09-19 | 日本電気株式会社 | 電話機通話回路網 |
| GB8317706D0 (en) * | 1983-06-29 | 1983-08-03 | Standard Telephones Cables Ltd | Telephone subsets |
| US6067363A (en) * | 1996-06-03 | 2000-05-23 | Ericsson Inc. | Audio A/D convertor using frequency modulation |
| US11755555B2 (en) | 2020-10-06 | 2023-09-12 | EMC IP Holding Company LLC | Storing an ordered associative array of pairs using an append-only storage medium |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3440351A (en) * | 1966-09-09 | 1969-04-22 | Bell Telephone Labor Inc | Telephone transmitter circuit employing variable capacitance microphone |
| US3491203A (en) * | 1966-10-18 | 1970-01-20 | Sonotone Corp | Temperature stabilized amplifier |
| GB1211851A (en) * | 1967-05-09 | 1970-11-11 | Mullard Ltd | Improvements in or relating to circuit arrangements incorporating transistors |
| DE1762924B1 (de) * | 1968-09-24 | 1970-09-03 | Siemens Ag | Schaltungsanordnung fuer einen Fernsprechmikrofonverstaerker mit verstaerkerausgangsseitiger Speisung |
| US3551833A (en) * | 1969-05-01 | 1970-12-29 | Motorola Inc | Circuit having a reduced number of external connections |
| US3602830A (en) * | 1969-10-21 | 1971-08-31 | Honeywell Inc | A constant current control circuit |
| NL6916988A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-11-11 | 1971-05-13 |
-
1972
- 1972-01-05 SE SE00093/72A patent/SE351335B/xx unknown
- 1972-12-18 US US00316403A patent/US3825848A/en not_active Expired - Lifetime
- 1972-12-29 IT IT33912/72A patent/IT973193B/it active
-
1973
- 1973-01-04 GB GB65373A patent/GB1414893A/en not_active Expired
- 1973-01-04 DE DE2300540A patent/DE2300540B2/de not_active Ceased
- 1973-01-04 FR FR7300244A patent/FR2167689B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2167689B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-10-29 |
| GB1414893A (en) | 1975-11-19 |
| FR2167689A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-24 |
| US3825848A (en) | 1974-07-23 |
| DE2300540A1 (de) | 1973-07-12 |
| IT973193B (it) | 1974-06-10 |
| DE2300540B2 (de) | 1975-01-02 |