# US 10,330,911 B2 · Method for controlling a plurality of functional modules including a multi-wavelength imaging device, and corresponding control system

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- Number: US 10,330,911 B2
- Document ID: US10330911B2
- Status: Granted
- Kind: B2
- Application number: 15/300,126
- Filed: 2015-03-23
- Published: 2017-05-18
- Granted: 2019-06-25
- Earliest claimed: 2014-03-28
- Assignees: Cnrs (Centre National De La Recherche Scientifique); Universite De Rennes 1
- Applicants: CNRS—Centre National de la Recherche Scientifique; Universite De Rennes 1
- Inventors: Julien Roul; Marc Tramier; Jacques Pecreaux
- Web page: https://patentgrep.com/patent/US10330911B2

## CPC

- G02B 21/365: {Control or image processing arrangements for digital or video microscopes (G02B21/361, G02B21/362 take precedence)}
- G02B 21/0044: {moving apertures, e.g. Nipkow disks, rotating lens arrays}
- G02B 21/0076: {arrangements using fluorescence or luminescence}
- G02B 21/16: adapted for ultraviolet illumination {; Fluorescence microscopes (G02B21/0076 takes precedence)}
- G02B 21/26: Stages; Adjusting means therefor
- G05B 19/042: using digital processors (G05B19/05 takes precedence)
- G05B 19/0421: {Multiprocessor system}
- G05B 19/41815: {characterised by the cooperation between machine tools, manipulators and conveyor or other workpiece supply system, workcell}
- G01N 21/6458: {Fluorescence microscopy (fluorescence microscopes per se G02B21/0076 and G02B21/16)}
- G05B 2219/33278: Cooperation between autonomous modules by receipts, messages, no synchronisation
- Y02P 90/02: Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A method is proposed for driving a plurality of functional modules included in a multi-wavelength microscopy imaging device. The device includes at least one first functional module and a second functional module, adapted respectively to performing a first function and a second function. The method includes at least one iteration of the acts of: sending a first driving signal to the second functional module when the first functional module has performed said first function; the second functional module triggers the function upon reception of the first driving signal; sending a second driving signal to the first functional module when the second functional module has performed said second function; the first functional module triggers said first function upon reception of the second driving signal.

## Claims

### Claim 1

A method comprising:
driving a plurality of functional modules included in a multi-wavelength microscopy imaging device configured to take a plurality of image shots of a sample subjected to different excitation wavelengths, said imaging device comprising at least one first functional module and at least one second functional module, adapted respectively to performing a first function and a second function,
wherein the first functional module is a wavelength-selection module and the first function comprises making a selection of at least one excitation wavelength for the sample
the second functional module is an image-capturing module and the second function comprises taking an image shot of the sample,
and wherein driving the plurality of functional modules comprises at least one iteration of the following acts:
a) sending a first driving signal from the first functional module to the second functional module when the first functional module has performed said first function;
b) the second functional module triggers said second function upon reception of the first driving signal;
c) sending a second driving signal from the second functional module to the first functional module when the second functional module has performed said second function;
d) the first functional module triggers said first function upon reception of the second driving signal.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the act a) of sending a first driving signal is carried out by the first functional module and the act b) of sending a second driving signal is performed by the second functional module.

### Claim 3 (depends on 2)

The method according to claim 2, wherein the microscopy imaging device comprises at least one third functional module adapted to performing a third function, the method furthermore comprising the following act:
e) the first functional module sends a third driving signal to the third functional module upon reception of the second driving signal;
f) the third functional module triggers the activation of said third function upon reception of the third driving signal;
g) the third functional module sends a fourth driving signal to the first functional module when the third functional module has performed said third function;
and wherein the act a) of sending a first driving signal to the second functional module is carried out when the first functional module has performed said first function and upon reception of the fourth driving signal.

### Claim 4 (depends on 3)

The method according to claim 3, wherein an iteration of the acts e) to g) is done following the acts a) to d) at a frequency equal to 1/n with n being the number of excitation wavelengths to which the sample is subjected, the number of interactions of the act a) to d) being equal to n.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the act a) of sending a first driving signal and the act b) of sending a second driving signal are carried out by a dedicated logic module independently of the first and second functional modules.

### Claim 6 (depends on 5)

The method according to claim 5, wherein the imaging device comprises at least one third functional module adapted to performing a third function, the method furthermore comprising the following acts:
when the second functional module has performed said second function, the dedicated logic module sends a third driving signal to the third functional module at the same time as the act of or sending the second driving signal to the first functional module;
the third functional module triggers the activation of said third function upon reception of the third driving signal;
the third functional module sends a fourth driving signal to the dedicated logic module when the third functional module has performed said third function;
and wherein the act a) of sending a first driving signal to the second functional module is carried out when the first functional module has performed said first function and upon reception of the fourth driving signal.

### Claim 7 (depends on 1)

The method according to claim 1, wherein the imaging device comprises at least one third functional module adapted to performing a third function, and wherein the third functional module is a module for positioning the sample and the third function comprises effecting a shift of the sample in at least one direction of space.

### Claim 8

A system for driving a plurality of functional modules included in a multi-wavelength microscopy imaging device configured to take a plurality of image shots of a sample subjected to different excitation wavelengths, said imaging device comprising at least one first functional module and at least one second functional module, adapted respectively to performing a first function and a second function,
the system comprising:
a first controller configured to send out a first driving signal from the first functional module to the second functional module when the first functional module has performed said first function;
a second controller configured to trigger said second function, activated upon reception of the first driving signal received from the first functional module, and the second controller configured to send out a second driving signal from the second functional module to the first functional module, activated when the second functional module has performed said second function;
wherein:
the first controller is configured to trigger said first function, activated upon reception of the second driving signal received from the second functional module;
the first functional module is a wavelength-selection module and the first function comprises making a selection of at least one excitation wavelength for the sample; and
the second functional module is an image-capturing module and the second function comprises taking an image shot of the sample.

### Claim 9 (depends on 8)

The system according to claim 8, wherein:
the imaging device comprises at least one third functional module adapted to performing a third function;
the first controller is configured to send out a third driving signal to the third functional module, activated upon reception of the second driving signal; and
the system includes a third controller configured to trigger said third function, activated upon reception of third driving signal.

### Claim 10 (depends on 9)

The system according to claim 9, wherein the third functional module is a module for positioning the sample and the third function comprises positioning the sample in at least one direction of space.

### Claim 11 (depends on 8)

The system according to claim 8, wherein the wavelength-selection module comprises a set of two optical prisms disposed on either side of a slot mounted so as to be mobile in translation and controlled by the second driving signal sent by the second functional module to make a selection of at least one excitation wavelength.