GB449628A - Improvements in and relating to methods of echo sounding and means therefor - Google Patents
Improvements in and relating to methods of echo sounding and means thereforInfo
- Publication number
- GB449628A GB449628A GB1229/35A GB122935A GB449628A GB 449628 A GB449628 A GB 449628A GB 1229/35 A GB1229/35 A GB 1229/35A GB 122935 A GB122935 A GB 122935A GB 449628 A GB449628 A GB 449628A
- Authority
- GB
- United Kingdom
- Prior art keywords
- condenser
- resistance
- valve
- sensitivity
- amplification factor
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/90—Sonar time varied gain control systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
- Electron Tubes For Measurement (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE412884D BE412884A (US06312121-20011106-C00033.png) | 1935-01-14 | ||
GB1229/35A GB449628A (en) | 1935-01-14 | 1935-01-14 | Improvements in and relating to methods of echo sounding and means therefor |
FR798987D FR798987A (fr) | 1935-01-14 | 1935-12-10 | Perfectionnements aux procédés et dispositifs de sondage par l'écho |
US54378A US2167492A (en) | 1935-01-14 | 1935-12-14 | Method of echo sounding and means therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1229/35A GB449628A (en) | 1935-01-14 | 1935-01-14 | Improvements in and relating to methods of echo sounding and means therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB449628A true GB449628A (en) | 1936-07-01 |
Family
ID=9718357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1229/35A Expired GB449628A (en) | 1935-01-14 | 1935-01-14 | Improvements in and relating to methods of echo sounding and means therefor |
Country Status (4)
Country | Link |
---|---|
US (1) | US2167492A (US06312121-20011106-C00033.png) |
BE (1) | BE412884A (US06312121-20011106-C00033.png) |
FR (1) | FR798987A (US06312121-20011106-C00033.png) |
GB (1) | GB449628A (US06312121-20011106-C00033.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE908111C (de) * | 1938-04-26 | 1954-04-01 | Atlas Werke Ag | Vorrichtung zur Entfernungsmessung nach der Echomethode |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2420672A (en) * | 1939-01-05 | 1947-05-20 | Maillet Raymond | Geophysical prospecting |
BE475046A (US06312121-20011106-C00033.png) * | 1939-04-12 | |||
DE885571C (de) * | 1942-03-14 | 1953-08-06 | Atlas Werke Ag | Vorrichtung zur Entfernungsmessung nach der Echomethode, insbesondere mittels elektromagnetischer Wellen |
US2435960A (en) * | 1942-09-02 | 1948-02-17 | Gen Electric | Radio detecting and range finding system |
US2429623A (en) * | 1942-09-14 | 1947-10-28 | Standard Telephones Cables Ltd | Pulse distance measuring system |
BE478020A (US06312121-20011106-C00033.png) * | 1942-11-23 | |||
US2428351A (en) * | 1943-01-22 | 1947-10-07 | Sperry Gyroscope Co Inc | Radio wave reflectivity indicating system |
US2474875A (en) * | 1943-01-22 | 1949-07-05 | Sperry Corp | Pulse echo volume compensating system |
BE465284A (US06312121-20011106-C00033.png) * | 1943-06-04 | |||
US2807712A (en) * | 1943-09-02 | 1957-09-24 | Bell Telephone Labor Inc | Electronic systems |
US2427523A (en) * | 1943-11-06 | 1947-09-16 | Philco Corp | Blanking circuit |
US2444721A (en) * | 1944-03-21 | 1948-07-06 | Hazeltine Research Inc | Wave-signal translating system |
US2583531A (en) * | 1944-06-29 | 1952-01-29 | Hathaway Jarrett Lewis | Reverberation control of gain |
US2566858A (en) * | 1944-06-29 | 1951-09-04 | Paul B Sebring | Reverberation control of gain |
US2865015A (en) * | 1944-07-14 | 1958-12-16 | Jr Arthur Nelson Butz | Apparatus and method for echo ranging |
US2666192A (en) * | 1944-07-27 | 1954-01-12 | Frederick V Hunt | Apparatus for determining the direction of underwater targets |
US2543068A (en) * | 1945-07-14 | 1951-02-27 | Seddon John Carl | Radio impulse receiver |
US2662978A (en) * | 1945-11-29 | 1953-12-15 | Philco Corp | Logarithmic transducer |
US3041993A (en) * | 1945-12-27 | 1962-07-03 | Bell Telephone Labor Inc | Signal translating system |
US3066633A (en) * | 1945-12-27 | 1962-12-04 | Bell Telephone Labor Inc | Signal translating systems |
US2573762A (en) * | 1946-03-27 | 1951-11-06 | Philco Corp | Radar receiver sensitivity control system |
US2969599A (en) * | 1946-05-09 | 1961-01-31 | Nye Robert Glen | Group trainer for operators of echo-ranging equipment |
US2705794A (en) * | 1946-06-11 | 1955-04-05 | Philco Corp | Signal modifying apparatus for eliminating variations as a function of one or more independent variables |
US2583173A (en) * | 1946-07-29 | 1952-01-22 | Gilfillan Bros Inc | Radar receiver |
US2602922A (en) * | 1946-08-23 | 1952-07-08 | Gen Electric | Sensitivity time control |
FR959969A (US06312121-20011106-C00033.png) * | 1946-12-11 | 1950-04-07 | ||
US2502938A (en) * | 1947-05-21 | 1950-04-04 | Raytheon Mfg Co | Sound ranging distance measuring system |
US2594916A (en) * | 1947-11-26 | 1952-04-29 | Rca Corp | Automatic gain control circuits |
US3053134A (en) * | 1948-04-01 | 1962-09-11 | Bell Telephone Labor Inc | Optical pulse echo system |
US2599586A (en) * | 1948-08-03 | 1952-06-10 | Honeywell Regulator Co | Marine depth finder |
US2624875A (en) * | 1948-10-26 | 1953-01-06 | Gen Electric | Pulse echo system with time sensitivity control |
US2606316A (en) * | 1948-11-05 | 1952-08-05 | Raytheon Mfg Co | Electronic amplifier circuits |
US2738503A (en) * | 1949-02-26 | 1956-03-13 | Rca Corp | Pulse echo altimeter with sensitivity time control |
NL153959B (nl) * | 1950-05-29 | Basf Ag | Werkwijze ter bereiding van appreteermiddelen. | |
US3022486A (en) * | 1950-09-15 | 1962-02-20 | Gettys Charles Briggs | Automatic proportional preset of amplifier gain |
US3102261A (en) * | 1958-01-27 | 1963-08-27 | Bendix Corp | Sonic altimeter |
US4197591A (en) * | 1958-08-04 | 1980-04-08 | Julius Hagemann | Facsimile recording of sonic values of the ocean bottom |
US4523472A (en) * | 1980-07-02 | 1985-06-18 | Purecycle Corporation | Ultrasonic transceiver circuit |
US4400976A (en) * | 1980-07-02 | 1983-08-30 | Purecycle Corporation | Ultrasonic transceiver circuit for level sensing |
-
0
- BE BE412884D patent/BE412884A/xx unknown
-
1935
- 1935-01-14 GB GB1229/35A patent/GB449628A/en not_active Expired
- 1935-12-10 FR FR798987D patent/FR798987A/fr not_active Expired
- 1935-12-14 US US54378A patent/US2167492A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE908111C (de) * | 1938-04-26 | 1954-04-01 | Atlas Werke Ag | Vorrichtung zur Entfernungsmessung nach der Echomethode |
Also Published As
Publication number | Publication date |
---|---|
FR798987A (fr) | 1936-05-29 |
BE412884A (US06312121-20011106-C00033.png) | |
US2167492A (en) | 1939-07-25 |
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