IP Library Granted Patent US 7,614,561
Granted Patent B2
US 7,614,561 · App. 11/303,860 · Granted Nov 10, 2009

Scanner flipper oscillation frequency detection and adjustment thereof

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Quick Facts
Patent No.
US 7,614,561
App. No.
11/303,860
Granted
Nov 10, 2009
Kind
B2
Abstract

A scanner flipper oscillation frequency analyzing method, computer-readable medium, and apparatus is provided. In one embodiment, the method turns a laser off if the laser is on and receives a signal indicative of a flipper oscillation frequency. The method then compares the signal with stored parameters. Based on the comparison, the method adjusts the flipper oscillation frequency when a percentage variation between the signal and the parameters is above a predetermined value. If the flipper oscillation frequency is adjusted a Digital-to-Analog Conversion value associated with the adjustment is stored in memory. The signal received can be transition signals. In other embodiments, an apparatus and computer-readable medium is also provided which performs the similar features recited by the above method.

Claims (85)

1. A method comprising the steps of:

(a) receiving a flip detect signal indicative of a flipper oscillation frequency, said receiving step further comprising:

(a1) turning on a motor for driving said flipper;

(a2) leaving said motor on for a predetermined time interval;

(a3) turning said motor off; and

(a4) while said motor remains off checking said flip detect signal;

(b) comparing said flip detect signal with stored parameters; and

(c) adjusting said flipper oscillation frequency when a percentage deviation between said flip detect signal and said parameters is above a predetermined value.

2. The method of claim 1 wherein said flip detect signal comprises a plurality of transitions.

3. The method of claim 2 further comprising:

time-stamping said transitions; and

calculating a pulse bandwidth from said time-stamps.

4. The method of claim 1 wherein said parameters comprises at least one of

a benchmark oscillation frequency and

a benchmark oscillation frequency range.

5. The method of claim 1 further comprising: performing steps (a), (b), and (c) when at least one of

a scanner is turned on,

said scanner is turned off,

a lapse of a predetermined time interval, and

an initiation by a user.

6. The method of claim 5 further comprising

storing a new DAC value associated with said adjusted flipper oscillation frequency.

7. The method of claim 1 wherein said comparing further comprises:

calculating a percentage difference between said flip detect signal and said parameters; and

storing a Digital-to-Analog Conversion (“DAC”) value, in memory,

wherein said DAC value is used to control said adjusted flipper oscillation frequency.

8. The method of claim 1 further comprising:

repeating steps (a), (b), and (c) when said flip detect signal is indicative of no transition.

9. The method of claim 1 wherein said predetermined time interval is sufficient to flex and hold a flipper.

10. The method of claim 1 further comprising:

amplifying said flip detect signal wherein said flip detect signal is a magnetically induced voltage wave; and

converting said wave to a transistor transistor logic level (TTL) signal.

11. The method of claim 1 further comprising turning a laser off when said laser is on.

12. A computer-readable medium having stored thereon a plurality of instructions, the plurality of instructions including instructions which, when executed by a processor, cause the processor to perform the steps comprising of:

(a) receiving a flip detect signal indicative of a flipper oscillation frequency, said receiving step further comprising:

(a1) turning on a motor for driving said flipper;

(a2) leaving said motor on for a predetermined time interval;

(a3) turning said motor off; and

(a4) while said motor remains off checking said flip detect signal;

(b) comparing said flip detect signal with stored parameters; and

(c) adjusting said flipper oscillation frequency when a percentage deviation between said flip detect signal and said parameters is above a predetermined value.

13. The computer-readable medium of claim 12 wherein said flip detect signal comprises a plurality of transitions.

14. The computer-readable medium of claim 13 further comprising:

time-stamping said transitions; and

calculating a pulse bandwidth from said time-stamps.

15. The computer-readable medium of claim 12 wherein said parameters comprises at least one of

a benchmark oscillation frequency and

a benchmark oscillation frequency range.

16. The computer-readable medium of claim 12 further comprising:

performing steps (a), (b), and (c) when at least one of

a scanner is turned on,

said scanner is turned off,

a lapse of a predetermined time interval, and

an initiation by a user.

17. The computer-readable medium of claim 16 further comprising storing a new DAC value associated with said adjusted flipper oscillation frequency.

18. The computer-readable medium of claim 12 wherein said comparing further comprises:

calculating a percentage difference between said flip detect signal and said parameters; and

storing a Digital-to-Analog Conversion (“DAC”) value, in memory, wherein said DAC value is used to control said adjusted flipper oscillation frequency.

19. The computer-readable medium of claim 12 further comprising:

repeating steps (a), (b), and (c) when said flip detect signal is indicative of no transition.

20. The computer-readable medium of claim 12 wherein said predetermined time interval is sufficient to flex and hold a flipper.

21. The computer-readable medium of claim 12 further comprising:

amplifying said flip detect signal wherein said signal is a magnetically induced voltage wave; and

converting said wave to a transistor transistor logic level (TTL) signal.

22. The computer-readable medium of claim 12 further comprising turning a laser off when said laser is on.

23. Apparatus comprising:

means for receiving a flip detect signal indicative of flipper oscillation frequency by turning on a motor for driving said flipper, leaving said motor on for a predetermined time interval, turning said motor off and, while said motor remains off, checking said flip detect signal;

means for comparing said flip detect signal with stored parameters; and

means for adjusting said flipper oscillation frequency when a percentage variation between said flip detect signal and said parameters is above a predetermined value.

24. The apparatus of claim 23 further comprising:

means for calculating a percentage difference between said flip detect signal and said parameters; and

means for storing a Digital-to-Analog Conversion (“DAC”) value, in memory,

wherein said DAC value is used to control said adjusted flipper oscillation frequency.

25. The apparatus of claim 23 further comprising:

means for amplifying said flip detect signal wherein said signal is a magnetically induced voltage wave; and

means for converting said wave to a transistor transistor logic level (TTL) signal.

26. The apparatus of claim 23 further comprising:

means for performing said receiving, comparing, and adjusting when at least one of a scanner is turned on,

said scanner is turned off,

a lapse of a predetermined time interval, and

an initiation by a user.

27. The apparatus of claim 23 further comprising:

means for time-stamping said transitions; and

means for calculating a pulse bandwidth from said time-stamps.

28. The computer-readable medium of claim 23 further comprising turning a laser off when said laser is on.

Assignments (5)
FIRST LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT RELEASE Recorded Aug 12, 2009
From: MORGAN STANLEY & CO. INCORPORATED
To: METROLOGIC INSTRUMENTS, INC.; METEOR HOLDING CORPORATION; OMNIPLANAR, INC.
Reel/Frame 023085/0754 →
SECOND LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT RELEASE Recorded Aug 12, 2009
From: MORGAN STANLEY & CO. INCORPORATED
To: METROLOGIC INSTRUMENTS, INC.; METEOR HOLDING CORPORATION; OMNIPLANAR, INC.
Reel/Frame 023085/0809 →
FIRST LIEN IP SECURITY AGREEMENT Recorded Feb 28, 2007
From: METROLOGIC INSTRUMENTS, INC.; METEOR HOLDING CORP.; OMNIPLANAR, INC.
To: MORGAN STANLEY & CO. INCORPORATED
Reel/Frame 018942/0315 →
SECOND LIEN IP SECURITY AGREEMENT Recorded Feb 28, 2007
From: METROLOGIC INSTRUMENTS, INC.; METEOR HOLDING CORP.; OMNIPLANAR, INC.
To: MORGAN STANLEY & CO. INCORPORATED
Reel/Frame 018942/0671 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 14, 2006
From: BLAKE, MR. ROBERT E.; HUDRICK, MR. DONALD T.
To: METROLOGIC INSTRUMENTS, INC.
Reel/Frame 017937/0773 →