GB1014430A - Acoustically controlled closure apparatus - Google Patents
Acoustically controlled closure apparatusInfo
- Publication number
- GB1014430A GB1014430A GB38479/63A GB3847963A GB1014430A GB 1014430 A GB1014430 A GB 1014430A GB 38479/63 A GB38479/63 A GB 38479/63A GB 3847963 A GB3847963 A GB 3847963A GB 1014430 A GB1014430 A GB 1014430A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- operate
- contact
- datum
- open
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
Landscapes
- Window Of Vehicle (AREA)
Abstract
1,014,430. Acoustic control. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Nov. 9, 1964 [Sept. 30, 1963], No. 38479/63. Heading G4F. [Also in Division E2] An acoustically controlled closure member is moved into a closed position in response to noise levels above some predetermined datum, and returns to the open position when the noise level drops below the datum. A double-glazed window 11 is normally held in one of a number of open positions as determined by a selector switch 12a which controls an hydraulic actuator 12. Loud sounds, for example from an aircraft, are detected by microphone 15 and fed through a selective amplifier 16 to operate a relay 18. Relay 18 supplies H.T. to operate relay 20, and contact 20b supplies power from source 22 to operate motor 14 in the " shunt " direction. When the sound level drops below the predetermined datum relay 18 releases, but relay 20 is held in via an H.T. supply from the delay network 21, over contact 20a. At the end of the delay period contact 20b changes over to supply power to operate motor 14 in the " open " direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB38479/63A GB1014430A (en) | 1963-09-30 | 1963-09-30 | Acoustically controlled closure apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB38479/63A GB1014430A (en) | 1963-09-30 | 1963-09-30 | Acoustically controlled closure apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1014430A true GB1014430A (en) | 1965-12-22 |
Family
ID=10403722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB38479/63A Expired GB1014430A (en) | 1963-09-30 | 1963-09-30 | Acoustically controlled closure apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1014430A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2310888A (en) * | 1996-03-09 | 1997-09-10 | Carr John Group Plc | Canopy window:remote operation |
-
1963
- 1963-09-30 GB GB38479/63A patent/GB1014430A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2310888A (en) * | 1996-03-09 | 1997-09-10 | Carr John Group Plc | Canopy window:remote operation |
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