US4720907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Identification system
Assignee: Euchner GmbH and Co KG
•
Filing: 1986-11-26
•
Granted: 1988-01-26
•
Expires: 2006-11-26
Abstract
Abstract A system for marking and identifying objects, particularly work implements such as tools and work piece holders required in manufacturing processes, which has modules (4) with electronically readable markings, which modules (4) are to be arranged on the objects (1) to be marked, as well as an evaluating device having at least one pick-up capable of reading the markings. Each module contains at least one oscillating circuit (5, 6, 7) to produce a characteristic resonant frequency or resonant frequency combination. The number of different resonant frequencies or resonant frequency combinations provided corresponds to the number of different elements in the selected characterizing code, and the resonant frequency or resonant frequency combination of each module (4) is selected according to one of these frequencies or frequency combinations. The modules (4), which are to be fixed to the object (1), are selected and arranged according to the elements necessary for the representation of the marking of the object (1) in the selected code.
Inventors
- 👤 Werner Rapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/10; B07C3/12; B23; B23Q; B23Q13/00; B23Q3/00; B23Q3/155; B23Q3/1552; B23Q3/15546; G; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/0672; G06K7/00; G06K7/08; G06K7/082; G06K7/083; G06K7/086; Y; Y10; Y10S; Y10S40/00; Y10S40/913; Y10T; Y10T279/00; Y10T279/21; Y10T408/00; Y10T408/21; Y10T409/00; Y10T409/30; Y10T409/30952; Y10T483/00; Y10T483/13; Y10T483/132; Y10T483/134
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
188 words
System for marking and identification of objects, particularly work implements such as tools and work piece supports required in manufacturing processes, having modules with an electronically readable marking, which modules are to be arranged on the objects to be marked, and an evaluating device with at least one pick-up capable of reading the marking, whereby each module contains at least one oscillating circuit to produce a characteristic resonant frequency or resonant frequency combination, comprising: (a) ten groups of modules of various resonant frequency or resonant frequency combination are provided, whereby each of these groups is associated with one of the numerals 0 through 9; (b) the modules to be fixed to the object are selected and arranged according to the numeral selected for the marking of the object; and (c) the surface of each module is provided with a numeral which anyone can read in the form of the numeral represented thereby which indicates the meaning of said module as a code element; wherein said objects to be marked are provided with a support with depressions, particularly bores, arranged in a row to receive the modules for marking.
Claim 2
Dependent Claim
188 words
System for marking and identification of objects, particularly work implements such as tools and work piece supports required in manufacturing processes, having modules with an electronically readable marking, which modules are to be arranged on the objects to be marked, and an evaluating device with at least one pick-up capable of reading the marking, whereby each module contains at least one oscillating circuit to produce a characteristic resonant frequency or resonant frequency combination, comprising: (a) ten groups of modules of various resonant frequency or resonant frequency combination are provided, whereby each of these groups is associated with one of the numerals 0 through 9; (b) the modules to be fixed to the object are selected and arranged according to the numeral selected for the marking of the object; and (c) the surface of each module is provided with a numeral which anyone can read in the form of the numeral represented thereby which indicates the meaning of said module as a code element; wherein said objects to be marked are provided with a support with depressions, particularly bores, arranged in a row to receive the modules for marking.
Claim 3
Dependent Claim
23 words
System according to claim 1, further including a support with depressions, particularly bores, arranged in a row to receive the modules for marking.
Claim 4
Dependent Claim
16 words
System according to claim 2, wherein the support is formed by a portion of the object.
Claim 5
Dependent Claim
16 words
System according to claim 1, wherein the support is formed by a portion of the object.
Claim 6
Dependent Claim
17 words
System according to claim 1, wherein the modules have the form of sections of a straight bar.
Claim 7
Dependent Claim
15 words
System according to claim 5, wherein the modules have the same shape and same size.
Claim 8
Dependent Claim
37 words
System according to claim 1, wherein each module comprises a cylindrical spool core having a concentric circular groove in one frontal surface and a spool lying in this circular groove, and a condenser connected to this spool.
Claim 9
Dependent Claim
23 words
System according to claim 7, wherein the spool core forms one end section of the module and a permanent magnet forms the other.
Claim 10
Dependent Claim
20 words
System according to claim 8, wherein the modules have a housing which is adapted to the shape of the depressions.
Claim 11
Dependent Claim
16 words
System according to claim 7, wherein the support is formed by a portion of the object.
Claim 12
Dependent Claim
16 words
System according to claim 12, wherein the support is formed by a portion of the object.
Claim 13
Dependent Claim
16 words
System according to claim 9, wherein the support is formed by a portion of the object.
Claim 14
Dependent Claim
17 words
System according to claim 7, wherein the modules have the form of sections of a straight bar.
Claim 15
Dependent Claim
17 words
System according to claim 8, wherein the modules have the form of sections of a straight bar.
Claim 16
Dependent Claim
17 words
System according to claim 9, wherein the modules have the form of sections of a straight bar.
Claim 17
Dependent Claim
15 words
System according to claim 7, wherein the modules have the same shape and same size.
Claim 18
Dependent Claim
15 words
System according to claim 8, wherein the modules have the same shape and same size.
Claim 19
Dependent Claim
15 words
System according to claim 9, wherein the modules have the same shape and same size.
Claim 20
Dependent Claim
25 words
System according to claim 1, wherein the pick-up contains at least one spool, which is connected alternately to a frequency generator and an evaluating circuit.
Claim 21
Dependent Claim
27 words
System according to claim 19, wherein the frequency generator produces a continuously changing frequency, a step-wise changing frequency or an impulse containing all of the resonant frequencies.
Claim 22
Dependent Claim
25 words
System according to claim 7, wherein the pick-up contains at least one spool, which is connected alternately to a frequency generator and an evaluating circuit.
Claim 23
Dependent Claim
25 words
System according to claim 8, wherein the pick-up contains at least one spool, which is connected alternately to a frequency generator and an evaluating circuit.
Claim 24
Dependent Claim
25 words
System according to claim 9, wherein the pick-up contains at least one spool, which is connected alternately to a frequency generator and an evaluating circuit.
References Cited (Backward Citations)
US1984839A
Cited
US3128645A
Cited
US3251150A
Cited
DE2042982A1
Cited
DE2739967A1
Cited
DE3128980A1
Cited
CA1187585A
Cited
EP0111693A2
Cited
US4588339A
Cited
US4620362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-25 | 1991-07-27 | 1992-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-25 | 1995-07-27 | 1996-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-25 | 1999-07-27 | 2000-01-26 | $7700.00 | Window Closed / Lapsed |