CH289745A - Electrical device for measuring a physical quantity by comparison. - Google Patents

Electrical device for measuring a physical quantity by comparison.

Info

Publication number: CH289745A
Authority: CH; Switzerland
Prior art keywords: comparison; measuring; physical quantity; electrical device; physical
Prior art date: 1946-02-05

Application number

Other languages

German (de)

Inventor

Ag Standard Telephon Und Radio

Original Assignee

Standard Telephon & Radio 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.)

1946-02-05

Filing date

1947-01-31

Publication date

1953-03-31

1947-01-31 Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag

1953-03-31 Publication of CH289745A publication Critical patent/CH289745A/en

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/165—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents in the manufacture of multilayered shell moulds
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Materials Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Magnetically Actuated Valves (AREA)
Remote Monitoring And Control Of Power-Distribution Networks (AREA)

CH289745D 1946-02-05 1947-01-31 Electrical device for measuring a physical quantity by comparison. CH289745A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB278426X		1946-02-05

Publications (1)

Publication Number	Publication Date
CH289745A true CH289745A (en)	1953-03-31

Family

ID=10266183

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH278426D CH278426A (en)	1946-02-05	1947-01-24	Electrical signaling installation.
CH289745D CH289745A (en)	1946-02-05	1947-01-31	Electrical device for measuring a physical quantity by comparison.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH278426D CH278426A (en)	1946-02-05	1947-01-24	Electrical signaling installation.

Country Status (6)

Country	Link
BE (1)	BE473246A (en)
CH (2)	CH278426A (en)
ES (1)	ES176606A1 (en)
FR (2)	FR943719A (en)
GB (2)	GB623380A (en)
NL (2)	NL130202C (en)

0
- NL NL279838D patent/NL279838A/xx unknown
- BE BE473246D patent/BE473246A/xx unknown
- NL NL130202D patent/NL130202C/xx active
1946
- 1946-02-05 GB GB3618/46A patent/GB623380A/en not_active Expired
- 1946-02-05 GB GB3616/46A patent/GB621384A/en not_active Expired
- 1946-12-26 FR FR943719D patent/FR943719A/en not_active Expired
1947
- 1947-01-24 CH CH278426D patent/CH278426A/en unknown
- 1947-01-30 ES ES176606A patent/ES176606A1/en not_active Expired
- 1947-01-31 CH CH289745D patent/CH289745A/en unknown
- 1947-02-05 FR FR55195D patent/FR55195E/en not_active Expired

Also Published As

Publication number	Publication date
NL130202C (en)
CH278426A (en)	1951-10-15
FR55195E (en)	1951-10-02
FR943719A (en)	1949-03-16
ES176606A1 (en)	1947-03-01
GB623380A (en)	1949-05-17
NL279838A (en)
BE473246A (en)
GB621384A (en)	1949-04-08

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