US5357101A
Expired / Lapsed
US
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Electro-optical transceiver with nonimaging concentrator
Assignee: GEO ACQUISITION CORP
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Filing: 1992-09-15
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Granted: 1994-10-18
•
Expires: 2012-09-15
Abstract
Abstract A compact high efficiency electro-optical information collection system is ideally suited for application as an optical front-end receiver in miniature bar code reading systems, optical local area networks (LANs) used in computer communications and other such equipment. The invention includes a single component high efficiency photoelectric converter with nonimaging light collection element, integral filter, photo diode, and mounting means all combined in a miniature rugged package.
Inventors
- 👤 George A. Plesko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:59
CPC Classifications
G; G02; G02B; G02B19/00; G02B19/0033; G02B19/0076; G02B19/008; G02B19/0004; G02B19/0019; G02B19/0023; G02B19/0028; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10881; H; H10; H10F; H10F77/00; H10F77/40; H10F77/407
Claims Analysis
Total Claims: 61
Claim 1
Independent Claim
78 words
An optical scanning system comprising: a light source; a scan element for scanning a light beam from said light source; an optical element coupled to said scan element for receiving light from said light source and directing light toward a target; a nonimaging light collector for receiving and concentrating reflected light from said target; and a photoelectric converter for receiving concentrated light from said nonimaging light collector and producing electrical signals which are responsive to said received light.
Claim 2
Dependent Claim
78 words
An optical scanning system comprising: a light source; a scan element for scanning a light beam from said light source; an optical element coupled to said scan element for receiving light from said light source and directing light toward a target; a nonimaging light collector for receiving and concentrating reflected light from said target; and a photoelectric converter for receiving concentrated light from said nonimaging light collector and producing electrical signals which are responsive to said received light.
Claim 3
Dependent Claim
21 words
An optical scanning system according to claim 1, wherein said nonimaging light collector is formed essentially of a transparent dielectric material.
Claim 4
Dependent Claim
23 words
An optical scanning systems according to claim 2, wherein said nonimaging light collector has a reflective coating to facilitate internal light reflection therein.
Claim 5
Dependent Claim
17 words
An optical scanning system according to claim 3, wherein said nonimaging light collector is generally cone shaped.
Claim 6
Dependent Claim
18 words
An optical scanning system according to claim 3, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 7
Dependent Claim
24 words
An optical scanning system according to claim 2, wherein said nonimaging light collector concentrates light by total internal reflection within said transparent dielectric material.
Claim 8
Dependent Claim
17 words
An optical scanning system according to claim 6, wherein said nonimaging light collector is generally cone shaped.
Claim 9
Dependent Claim
18 words
An optical scanning system according to claim 6, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 10
Dependent Claim
17 words
An optical scanning system according to claim 1, wherein said nonimaging light collector has a reflective coating.
Claim 11
Dependent Claim
17 words
An optical scanning system according to claim 9, wherein said nonimaging light collector is generally cone shaped.
Claim 12
Dependent Claim
18 words
An optical scanning system according to claim 9, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 13
Dependent Claim
28 words
An optical scanning system according to claim 1, wherein said light source; scan element, optical element, nonimaging light collector and photoelectric converter are mounted on a single chassis.
Claim 14
Dependent Claim
16 words
An optical scanning system according to claim 12, wherein said chassis is a printed circuit board.
Claim 15
Dependent Claim
17 words
An optical scanning system according to claim 1, wherein said optical scanning system is a barcode reader.
Claim 16
Dependent Claim
19 words
An optical scanning system according to claim 14, wherein said barcode reader is self-powered so as to be portable.
Claim 17
Dependent Claim
20 words
An optical scanning system according to claim 14, wherein said barcode reader is dimensioned so as to be hand holdable.
Claim 18
Dependent Claim
20 words
An optical scanning system according to claim 15, wherein said barcode reader is activated by acceleration of an inertial switch.
Claim 19
Dependent Claim
17 words
An optical scanning system according to claim 15, wherein said barcode reader has a generally cylindrical shape.
Claim 20
Dependent Claim
21 words
An optical scanning system according to claim 18, wherein said barcode reader has a thumb switch on said generally cylindrical shape.
Claim 21
Dependent Claim
16 words
An optical scanning system according to claim 15, wherein said barcode reader has a handle grip.
Claim 22
Dependent Claim
62 words
An optical transceiver system comprising: a light source for transmitting light signals in the direction of a target; a modulation means for modulating said light source; a nonimaging light collector for receiving and concentrating light received from a target; and a photoelectric converter for receiving concentrated light from said nonimaging light collector and producing electrical signals which are responsive to received light.
Claim 23
Dependent Claim
62 words
An optical transceiver system comprising: a light source for transmitting light signals in the direction of a target; a modulation means for modulating said light source; a nonimaging light collector for receiving and concentrating light received from a target; and a photoelectric converter for receiving concentrated light from said nonimaging light collector and producing electrical signals which are responsive to received light.
Claim 24
Dependent Claim
21 words
An optical transceiver system according to claim 21, wherein said nonimaging light collector is formed essentially of a transparent dielectric material.
Claim 25
Dependent Claim
22 words
An optical transceiver system according to claim 22, wherein said nonimaging light collector has a reflective coating to facilitate internal reflection therein.
Claim 26
Dependent Claim
17 words
An optical transceiver system according to claim 23, wherein said nonimaging light collector is generally cone shaped.
Claim 27
Dependent Claim
18 words
An optical transceiver system according to claim 23, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 28
Dependent Claim
24 words
An optical transceiver system according to claim 22, wherein said nonimaging light collector concentrates light by total internal reflection within said transparent dielectric material.
Claim 29
Dependent Claim
17 words
An optical transceiver system according to claim 26, wherein said nonimaging light collector is generally cone shaped.
Claim 30
Dependent Claim
18 words
An optical transceiver system according to claim 26, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 31
Dependent Claim
17 words
An optical transceiver system according to claim 21, wherein said nonimaging light collector has a reflective coating.
Claim 32
Dependent Claim
17 words
An optical transceiver system according to claim 29, wherein said nonimaging light collector is generally cone shaped.
Claim 33
Dependent Claim
18 words
An optical transceiver system according to claim 29, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 34
Dependent Claim
20 words
An optical transceiver system according to claim 21, wherein said optical transceiver system is part of a local area network.
Claim 35
Dependent Claim
20 words
An optical transceiver system according to claim 21, wherein said optical transceiver system is part of an information repeater system.
Claim 36
Dependent Claim
19 words
An optical transceiver system according to claim 21, wherein said optical transceiver system is part of a transponder system.
Claim 37
Dependent Claim
66 words
An electro-optic component for collecting and concentrating optical information signals and converting said optical information signals into electrical signals comprising: a nonimaging light collector; a wavelength-selective optical signal filter; a photoelectric converter proximate said nonimaging light collector for converting said optical information signals into electrical signals and a housing for mounting and containing said nonimaging light collector and said photoelectric converter together as a single component.
Claim 38
Dependent Claim
66 words
An electro-optic component for collecting and concentrating optical information signals and converting said optical information signals into electrical signals comprising: a nonimaging light collector; a wavelength-selective optical signal filter; a photoelectric converter proximate said nonimaging light collector for converting said optical information signals into electrical signals and a housing for mounting and containing said nonimaging light collector and said photoelectric converter together as a single component.
Claim 39
Dependent Claim
19 words
An electro-optic component according to claim 35, wherein said nonimaging light collector is filled with a transparent dielectric material.
Claim 40
Dependent Claim
22 words
An electro-optic component according to claim 36, wherein said nonimaging light collector has a reflective coating to facilitate internal light reflection therein.
Claim 41
Dependent Claim
16 words
An electro-optic component according to claim 37, wherein said nonimaging light collector is generally cone shaped.
Claim 42
Dependent Claim
17 words
An electro-optic component according to claim 37, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 43
Dependent Claim
23 words
An electro-optic component according to claim 36, wherein said nonimaging light collector concentrates light by total internal reflection within said transparent dielectric material.
Claim 44
Dependent Claim
16 words
An electro-optic component according to claim 40, wherein said nonimaging light collector is generally cone shaped.
Claim 45
Dependent Claim
17 words
An electro-optic component according to claim 40, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 46
Dependent Claim
86 words
An electro-optic component according to claim 36, wherein said electro-optic component includes at least one of the following elements; an optical filter for substantially preventing unwanted wavelengths of light from reaching said photoelectric converter; a positive lens mounted in front of said nonimaging light collector; a light filtering means included within the dielectric material of said nonimaging light collector for substantially preventing unwanted wavelengths of light from reaching said photoelectric converter; a polarizing filter for substantially preventing light of unwanted polarity from reaching said photoelectric converter.
Claim 47
Dependent Claim
16 words
An electro-optic component according to claim 43, wherein said nonimaging light collector has a reflective coating.
Claim 48
Dependent Claim
16 words
An electro-optic component according to claim 43, wherein said nonimaging light collector is generally cone shaped.
Claim 49
Dependent Claim
17 words
An electro-optic component according to claim 43, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 50
Dependent Claim
20 words
An electro-optic component according to claim 43, wherein said nonimaging light collector concentrates light by means of total internal reflection.
Claim 51
Dependent Claim
16 words
An electro-optic component according to claim 47, wherein said nonimaging light collector is generally cone shaped.
Claim 52
Dependent Claim
17 words
An electro-optic component according to claim 46, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 53
Dependent Claim
20 words
An electro-optic component according to claim 43, wherein said positive lens is an integral part of said nonimaging light collector.
Claim 54
Dependent Claim
16 words
An electro-optic component according to claim 35, wherein said nonimaging light collector has a reflective coating.
Claim 55
Dependent Claim
16 words
An electro-optic component according to claim 51, wherein said nonimaging light collector is generally cone shaped.
Claim 56
Dependent Claim
17 words
An electro-optic component according to claim 51, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 57
Dependent Claim
60 words
An electro-optic component according to claim 51, wherein said electro-optic component includes at least one of the following elements; an optical filter for substantially preventing unwanted wavelengths of light from reaching said Photelectric converter; a positive lens mounted in front of said nonimaging light collector; a polarizing filter for substantially preventing light of unwanted polarity from reaching said photoelectric converter.
Claim 58
Dependent Claim
16 words
An electro-optic component acccording to claim 54, wherein said nonimaging light collector is generally cone shaped.
Claim 59
Dependent Claim
17 words
An electro-optic component according to claim 54, wherein said nonimaging light collector is a compound parabolic concentrator.
Claim 60
Dependent Claim
15 words
An electro-optic component according to claim 36, wherein said transparent dielectric material is molded plastic.
Claim 61
Dependent Claim
56 words
An electro-optic component according to claim 43, wherein said electro-optic component includes; an optically excitable medium; and a light source capable of optically pumping said medium to quantum energy levels above ground state whereby light signals received by said electro-optic component are amplified by means of stimulated emission of radiation prior to reaching said photoelectric converter.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-10-17 | 1998-04-18 | 1998-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-17 | 2002-04-18 | 2002-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-17 | 2006-04-18 | 2006-10-18 | $7700.00 | Window Closed / Lapsed |