CA1071661A - Balance a ressort a lames avec detecteur optique - Google Patents
Balance a ressort a lames avec detecteur optiqueInfo
- Publication number
- CA1071661A CA1071661A CA270,727A CA270727A CA1071661A CA 1071661 A CA1071661 A CA 1071661A CA 270727 A CA270727 A CA 270727A CA 1071661 A CA1071661 A CA 1071661A
- Authority
- CA
- Canada
- Prior art keywords
- grating
- tare
- optical
- scale
- frame
- 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
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/002—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for postal parcels and letters
- G01G19/005—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for postal parcels and letters with electric or electronic computing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/361—Indicating the weight by electrical means, e.g. using photoelectric cells using photoelectric cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/08—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a leaf spring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65539376A | 1976-02-05 | 1976-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1071661A true CA1071661A (fr) | 1980-02-12 |
Family
ID=24628715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA270,727A Expired CA1071661A (fr) | 1976-02-05 | 1977-01-31 | Balance a ressort a lames avec detecteur optique |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5296055A (fr) |
CA (1) | CA1071661A (fr) |
DE (1) | DE2703899A1 (fr) |
GB (1) | GB1521022A (fr) |
NL (1) | NL7701006A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2844066C2 (de) * | 1978-10-10 | 1982-04-22 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Längen- oder Winkelmeßeinrichtung |
DE3021535C2 (de) * | 1980-06-07 | 1986-01-02 | Diffracto Ltd., Windsor, Ontario | Wiegeeinrichtung |
JPS58129535A (ja) * | 1982-01-27 | 1983-08-02 | Nippon Telegr & Teleph Corp <Ntt> | タツチパネル形入力装置 |
US5308934A (en) * | 1992-12-24 | 1994-05-03 | Pitney Bowes Inc. | Load cell scale mounting device |
DE19833767C2 (de) | 1998-07-17 | 2000-07-27 | Francotyp Postalia Gmbh | Vorrichtung zum Wiegen von bewegtem Postgut |
DE202015002361U1 (de) * | 2014-06-16 | 2015-06-17 | Francotyp-Postalia Gmbh | Verbesserungen an einer dynamischen Waage mit mehreren Wägeschalen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3807517A (en) * | 1972-12-26 | 1974-04-30 | Pitney Bowes Inc | Leaf spring scale |
-
1977
- 1977-01-31 NL NL7701006A patent/NL7701006A/xx not_active Application Discontinuation
- 1977-01-31 DE DE19772703899 patent/DE2703899A1/de not_active Withdrawn
- 1977-01-31 CA CA270,727A patent/CA1071661A/fr not_active Expired
- 1977-02-01 GB GB408777A patent/GB1521022A/en not_active Expired
- 1977-02-03 JP JP1030677A patent/JPS5296055A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7701006A (nl) | 1977-08-09 |
DE2703899A1 (de) | 1977-08-11 |
GB1521022A (en) | 1978-08-09 |
JPS5296055A (en) | 1977-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4773760A (en) | Procedure and means for measuring the thickness of a film-like or sheet-like web | |
US3715599A (en) | Electro-optical system for controlling the attitude of a stage mounted on a carriage sliding along a parallel bench | |
US4037325A (en) | Linear glass scale height gage | |
US4218615A (en) | Incremental digital shaft encoder | |
EP0163362A1 (fr) | Appareil et procédé de mesure de déplacements | |
EP0306509A1 (fr) | Appareil de determination de positions. | |
EP0482553A2 (fr) | Dispositif de mesure pour tables d'alignement x,y,gamma | |
US3572937A (en) | Method and apparatus for interferometric measurement of machine slide roll | |
CA1071661A (fr) | Balance a ressort a lames avec detecteur optique | |
US4297033A (en) | Incremental photoelectric measuring device | |
US4047586A (en) | Zero load adjustment apparatus for spring weighing scale | |
US5061073A (en) | Photoelectric position measuring arrangement | |
US4044847A (en) | Weighing system with a moire optoelectronic transducer | |
CA1060054A (fr) | Detecteur optique pour balance avec compensateur a ressort a variation constante | |
US4231662A (en) | Phase shift correction for displacement measuring systems using quadrature | |
US3802781A (en) | Extensometers | |
US3796494A (en) | Apparatus for interferometric measurement of displacements | |
US5038491A (en) | Scale for use for measurement of the displacement of an object to be examined, and displacement measuring apparatus | |
JPH08178613A (ja) | 干渉計用光検出器 | |
US5184014A (en) | Opto-electronic scale reading apparatus | |
CA1070720A (fr) | Detecteur optique pour bascule | |
US3779647A (en) | Interferometric device for indicating displacement along one dimension during motion along another dimension | |
GB991907A (en) | Apparatus for detecting and indicating the extent of relative movement | |
US5390423A (en) | Analogue probe | |
GB2130732A (en) | 'servo-controlled surface angle measuring device' |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |