Patent US5056646A successfully refreshed from Google Patents.
US5056646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic-type registration system
Assignee: Intellectual Ventures I LLC
•
Filing: 1990-12-24
•
Granted: 1991-10-15
•
Expires: 2010-12-24
Abstract
Abstract A non-contact type registration system employing dipole-type electrostatic charges for precisely positioning insulative material to a selected location or workstation.
Inventors
- 👤 Semyon Kisler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:56
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/03; B23P; B23P21/00; B23P21/004
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
292 words
Apparatus for positioning an article having a dielectric element arranged to move in unison therewith and capable of retaining a long-duration dipole-type electrostatic charge, the article being adapted to be positioned at a selected location for performance of a given operation therewith when a given reference frame of the article is in registration with a given reference frame of the selected location, said apparatus comprising: means for defining a selected location for the performance of the given operation with the article; means for conveying the article towards said selected location; charging means for applying an electric dipole-type electrostatic charge in a limited area at a predetermined location on the element, said charging means including at least a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes, the charge being in a fixed spacial relation to the given reference frames of the article; sensing means for sensing the electric dipole-type electrostatic charge; means for mounting said sensing means in a predetermined relation to said given reference frame of said selected location in correspondence with the fixed spacial relation of the limited area charge to the given reference frame of the article and in position to sense the dipole-type electrostatic charge as the article is moved into a given proximity therewith; and control means for controlling the operation of said conveying means to terminate the advancement of the article in accordance with the sensing of the dipole-type electrostatic charge by said sensing means whereby the advancement of the article is terminated when the given reference frame of the article is in registration with said given reference frame of said selected location.
Claim 2
Dependent Claim
292 words
Apparatus for positioning an article having a dielectric element arranged to move in unison therewith and capable of retaining a long-duration dipole-type electrostatic charge, the article being adapted to be positioned at a selected location for performance of a given operation therewith when a given reference frame of the article is in registration with a given reference frame of the selected location, said apparatus comprising: means for defining a selected location for the performance of the given operation with the article; means for conveying the article towards said selected location; charging means for applying an electric dipole-type electrostatic charge in a limited area at a predetermined location on the element, said charging means including at least a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes, the charge being in a fixed spacial relation to the given reference frames of the article; sensing means for sensing the electric dipole-type electrostatic charge; means for mounting said sensing means in a predetermined relation to said given reference frame of said selected location in correspondence with the fixed spacial relation of the limited area charge to the given reference frame of the article and in position to sense the dipole-type electrostatic charge as the article is moved into a given proximity therewith; and control means for controlling the operation of said conveying means to terminate the advancement of the article in accordance with the sensing of the dipole-type electrostatic charge by said sensing means whereby the advancement of the article is terminated when the given reference frame of the article is in registration with said given reference frame of said selected location.
Claim 3
Dependent Claim
47 words
The apparatus of claim 1 wherein said means for applying an electrostatic charge includes means for applying a charge to at least a pair of spaced apart portions of said element, and said sensing means includes means for independently sensing electrostatic charges at each of said portions.
Claim 4
Dependent Claim
23 words
The apparatus of claim 1 wherein said means for applying an electrostatic charge includes means for applying said charge as a spot charge.
Claim 5
Dependent Claim
24 words
The apparatus of claim 1 wherein said means for applying an electrostatic charge includes means for applying said charge as a thin elongated line.
Claim 6
Dependent Claim
67 words
The apparatus of claim 1 including a carrier web which is advanced along its longitudinal axis through said selected location, the article being mounted on said web such that the lateral position of the article in said selected location is determined by said web, and the longitudinal position of the article in said selected location is determined by said charged portion in cooperation with said sensing means.
Claim 7
Dependent Claim
197 words
Apparatus for positioning a selected section of a web of dielectric material at a given location for performance of a given operation therewith, said apparatus comprising: means for advancing the web along its longitudinal axis through said given location; means for applying a limited area electric dipole-type electrostatic charge to a given portion of the web in fixed relation to the selected section thereof, said charging means including at lease a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes; sensing means for sensing an electric dipole-type electrostatic charge; means for mounting said sensing means in a predetermined relation with respect to said given location and in a position to sense said limited area dipole-type electrostatic charge on the web as the web is advanced therepast; and control means for controlling operation of said advancing means to terminate advancement of the web in correspondence with the sensing of said electrostatic charge by said sensing means whereby said advancement is terminated when said selected section of the dielectric web is positioned in said given location.
Claim 8
Dependent Claim
197 words
Apparatus for positioning a selected section of a web of dielectric material at a given location for performance of a given operation therewith, said apparatus comprising: means for advancing the web along its longitudinal axis through said given location; means for applying a limited area electric dipole-type electrostatic charge to a given portion of the web in fixed relation to the selected section thereof, said charging means including at lease a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes; sensing means for sensing an electric dipole-type electrostatic charge; means for mounting said sensing means in a predetermined relation with respect to said given location and in a position to sense said limited area dipole-type electrostatic charge on the web as the web is advanced therepast; and control means for controlling operation of said advancing means to terminate advancement of the web in correspondence with the sensing of said electrostatic charge by said sensing means whereby said advancement is terminated when said selected section of the dielectric web is positioned in said given location.
Claim 9
Dependent Claim
23 words
The apparatus of claim 6 wherein said means for applying an electrostatic charge includes means for applying said charge as a spot charge.
Claim 10
Dependent Claim
25 words
The apparatus of claim 6 wherein said means for applying an electrostatic charge includes means for applying said charge as a thin elongated line charge.
Claim 11
Dependent Claim
15 words
The apparatus of claim 8 wherein said line charge extends generally transverse of the web.
Claim 12
Dependent Claim
123 words
Apparatus for sequentially advancing selected portions of a dielectric web to a particular location, comprising: means for applying a plurality of electric dipole-type electrostatic spot charges to spaced-apart portions of the dielectric web, said spot charging means including at least a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes; means for generating a signal responsive to the presence of each of said electrostatic spot charges at a position related to a selected portion of the dielectric web; and drive means responsive to said electrostatic charge-responsive signal for sequentially positioning each of the selected web portions to said particular location.
Claim 13
Dependent Claim
123 words
Apparatus for sequentially advancing selected portions of a dielectric web to a particular location, comprising: means for applying a plurality of electric dipole-type electrostatic spot charges to spaced-apart portions of the dielectric web, said spot charging means including at least a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes; means for generating a signal responsive to the presence of each of said electrostatic spot charges at a position related to a selected portion of the dielectric web; and drive means responsive to said electrostatic charge-responsive signal for sequentially positioning each of the selected web portions to said particular location.
Claim 14
Dependent Claim
131 words
Apparatus for sequentially advancing a plurality of dielectric materials to a particular material location, comprising: means for applying an electric dipole-type electrostatic spot charge to a selected portion of each of the materials, said spot charging means including at least a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes; means for generating a signal responsive to the presence of said electrostatic dipole-type spot charges on each of the plurality of dielectric materials when said materials are positioned to a predetermined chargesensing location; and drive means responsive to said electrostatic charge responsive signal for sequentially positioning each of the plurality of dielectric materials to said particular material location.
Claim 15
Dependent Claim
131 words
Apparatus for sequentially advancing a plurality of dielectric materials to a particular material location, comprising: means for applying an electric dipole-type electrostatic spot charge to a selected portion of each of the materials, said spot charging means including at least a pair of electrodes and a voltage source connected between said electrodes having a magnitude less than that required to produce visible light in the vicinity of at least one of said electrodes; means for generating a signal responsive to the presence of said electrostatic dipole-type spot charges on each of the plurality of dielectric materials when said materials are positioned to a predetermined chargesensing location; and drive means responsive to said electrostatic charge responsive signal for sequentially positioning each of the plurality of dielectric materials to said particular material location.
References Cited (Backward Citations)
US2188871A
Cited
US3234462A
Cited
US3427597A
Cited
US3437336A
Cited
US3666080A
Cited
US3977586A
Cited
JPS5524743A
Cited
JPS55140415A
Cited
US4402035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-14 | 1995-04-15 | 1995-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-14 | 1999-04-15 | 1999-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-14 | 2003-04-15 | 2003-10-15 | $7700.00 | Window Closed / Lapsed |