GB1447342A – Light interruption device for photometric measuring equipment
– Google Patents
GB1447342A – Light interruption device for photometric measuring equipment
– Google Patents
Light interruption device for photometric measuring equipment
Info
Publication number
GB1447342A
GB1447342A
GB240175A
GB240175A
GB1447342A
GB 1447342 A
GB1447342 A
GB 1447342A
GB 240175 A
GB240175 A
GB 240175A
GB 240175 A
GB240175 A
GB 240175A
GB 1447342 A
GB1447342 A
GB 1447342A
Authority
GB
United Kingdom
Prior art keywords
interruption device
measuring equipment
light interruption
photometric measuring
jan
Prior art date
1974-01-22
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
Application number
GB240175A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Training Center GmbH and Co KG
Original Assignee
Hartmann and Braun AG
Priority date (The priority date 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 date listed.)
1974-01-22
Filing date
1975-01-20
Publication date
1976-08-25
1975-01-20
Application filed by Hartmann and Braun AG
filed
Critical
Hartmann and Braun AG
1976-08-25
Publication of GB1447342A
publication
Critical
patent/GB1447342A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
230000005855
radiation
Effects
0.000
abstract
2
230000003287
optical effect
Effects
0.000
abstract
1
Classifications
G—PHYSICS
G01—MEASURING; TESTING
G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
G01J1/00—Photometry, e.g. photographic exposure meter
G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
Abstract
1447342 Optical shutters HARTMANN & BRAUN AG 20 Jan 1975 [22 Jan 1974] 2401/75 Heading G2J A radiation interruption device for photometric equipment comprises a motor having an annular rotor 4 arranged around the radiation paths (arrows), a shaft 5 to which the rotor 4 is connected by a spoke 6 and a replaceable rotary shutter 12 carried by the shaft 5. The motor may be mounted in an apertured housing. The shutter 12 may have two or more blades and a compensation weight 11 may be provided.
GB240175A
1974-01-22
1975-01-20
Light interruption device for photometric measuring equipment
Expired
GB1447342A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2402865A
DE2402865C2
(en)
1974-01-22
1974-01-22
Light interrupting device for photometric measuring devices
Publications (1)
Publication Number
Publication Date
GB1447342A
true
GB1447342A
(en)
1976-08-25
Family
ID=5905361
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB240175A
Expired
GB1447342A
(en)
1974-01-22
1975-01-20
Light interruption device for photometric measuring equipment
Country Status (6)
Country
Link
US
(1)
US3970372A
(en)
JP
(1)
JPS50104978A
(en)
DE
(1)
DE2402865C2
(en)
FR
(1)
FR2258621B3
(en)
GB
(1)
GB1447342A
(en)
IT
(1)
IT1026758B
(en)
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3723177C2
(en)
*
1987-07-14
1996-08-22
Fisher Rosemount Gmbh & Co Ges
Radiation chopper
DE8902686U1
(en)
*
1989-03-06
1990-04-05
Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
RU2455171C1
(en)
*
2011-03-11
2012-07-10
Николай Петрович Дядченко
Wheel of transport facility
RU2564266C1
(en)
*
2014-09-09
2015-09-27
Николай Петрович Дядченко
Vehicle wheel
Family Cites Families (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2132973C3
(en)
*
1970-07-04
1974-05-30
Horiba Ltd., Kyoto, Kyoto (Japan)
Optical measuring device. Elimination in: 2166382
US3729264A
(en)
*
1971-08-09
1973-04-24
Horiba Ltd
Analyzer using the rotor of a motor as a light chopper
1974
1974-01-22
DE
DE2402865A
patent/DE2402865C2/en
not_active
Expired
1974-10-22
FR
FR7435386A
patent/FR2258621B3/fr
not_active
Expired
1974-12-03
IT
IT30140/74A
patent/IT1026758B/en
active
1975
1975-01-15
US
US05/541,135
patent/US3970372A/en
not_active
Expired – Lifetime
1975-01-20
GB
GB240175A
patent/GB1447342A/en
not_active
Expired
1975-01-20
JP
JP50008599A
patent/JPS50104978A/ja
active
Pending
Also Published As
Publication number
Publication date
FR2258621A1
(en)
1975-08-18
DE2402865A1
(en)
1975-07-24
US3970372A
(en)
1976-07-20
JPS50104978A
(en)
1975-08-19
DE2402865C2
(en)
1983-03-24
IT1026758B
(en)
1978-10-20
FR2258621B3
(en)
1976-12-10
Similar Documents
Publication
Publication Date
Title
CA1028308A
(en)
1978-03-21
Helicopter rotor
CA1034871A
(en)
1978-07-18
Turbine rotating blade
CA995140A
(en)
1976-08-17
Cooled turbine blade ring assembly
GB2011552B
(en)
1982-03-31
Rotor blade attachment
JPS521218A
(en)
1977-01-07
Stator blade angle variation mechanism
JPS5379110A
(en)
1978-07-13
Combined rotor blade
IL53522A
(en)
1983-07-31
Cross beam rotor for helicopter
GB1538055A
(en)
1979-01-10
Helicopter rotor blades
CA1013332A
(en)
1977-07-05
Hingeless in-plane rotor blade design
AU516368B2
(en)
1981-05-28
Propeller fan for wind machines
CA1009595A
(en)
1977-05-03
Light weight cable housing
CA1020093A
(en)
1977-11-01
Shaft balancing
CA1018460A
(en)
1977-10-04
Wind driven power mechanism
JPS54154370A
(en)
1979-12-05
Shaft rotation detector
GB1447342A
(en)
1976-08-25
Light interruption device for photometric measuring equipment
CA1024047A
(en)
1978-01-10
Rotary blade assembly
JPS5375698A
(en)
1978-07-05
Rotor for helicopter
CA1016524A
(en)
1977-08-30
Helicopter rotor blade
GB2001022B
(en)
1982-03-03
Helicopter rotor blades
ES437852A2
(en)
1977-02-01
Hydraulic retarder and mounting structure therefor
JPS522584A
(en)
1977-01-10
Rotary scanning spectrophotometer
CA1016062A
(en)
1977-08-23
Trimmer blade throw-off mechanism
AU497939B2
(en)
1979-01-25
Helicopter blade
CA1033148A
(en)
1978-06-20
Centrifugal casting machine casing
JPS53122908A
(en)
1978-10-26
Rotor blade apparatus
Legal Events
Date
Code
Title
Description
1977-01-06
PS
Patent sealed [section 19, patents act 1949]
1980-11-26
746
Register noted ‘licences of right’ (sect. 46/1977)
1986-08-28
PCNP
Patent ceased through non-payment of renewal fee
